diff --git a/.all-contributorsrc b/.all-contributorsrc
index cc26876..f2446f1 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -2559,6 +2559,132 @@
"contributions": [
"content"
]
+ },
+ {
+ "login": "AnonimAnonim2245",
+ "name": "Luca Plian",
+ "avatar_url": "https://avatars.githubusercontent.com/u/98339220?v=4",
+ "profile": "https://github.com/AnonimAnonim2245",
+ "contributions": [
+ "code"
+ ]
+ },
+ {
+ "login": "reifenrath-dev",
+ "name": "RenΓ© Reifenrath",
+ "avatar_url": "https://avatars.githubusercontent.com/u/18126097?v=4",
+ "profile": "https://reifenrath.dev/",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "peterneave",
+ "name": "Peter Neave",
+ "avatar_url": "https://avatars.githubusercontent.com/u/7982708?v=4",
+ "profile": "https://github.com/peterneave",
+ "contributions": [
+ "infra"
+ ]
+ },
+ {
+ "login": "JanB1",
+ "name": "Jan",
+ "avatar_url": "https://avatars.githubusercontent.com/u/5552248?v=4",
+ "profile": "http://www.janb1.com",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "kylev",
+ "name": "Kyle VanderBeek",
+ "avatar_url": "https://avatars.githubusercontent.com/u/46888?v=4",
+ "profile": "http://www.kylev.com/",
+ "contributions": [
+ "infra"
+ ]
+ },
+ {
+ "login": "pavedroad",
+ "name": "pavedroad",
+ "avatar_url": "https://avatars.githubusercontent.com/u/138004431?v=4",
+ "profile": "https://github.com/pavedroad",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "hyphena",
+ "name": "luna",
+ "avatar_url": "https://avatars.githubusercontent.com/u/26529488?v=4",
+ "profile": "https://github.com/hyphena",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "evanmiller2112",
+ "name": "Evan Miller",
+ "avatar_url": "https://avatars.githubusercontent.com/u/28488957?v=4",
+ "profile": "https://github.com/evanmiller2112",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "luvchurchill",
+ "name": "luvchurchill",
+ "avatar_url": "https://avatars.githubusercontent.com/u/46406654?v=4",
+ "profile": "https://github.com/luvchurchill",
+ "contributions": [
+ "code"
+ ]
+ },
+ {
+ "login": "LeverImmy",
+ "name": "Ze-en Xiong",
+ "avatar_url": "https://avatars.githubusercontent.com/u/47663913?v=4",
+ "profile": "https://leverimmy.top/",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "parnavh",
+ "name": "Parnav Harinathan",
+ "avatar_url": "https://avatars.githubusercontent.com/u/45985534?v=4",
+ "profile": "https://github.com/parnavh",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "0Ahmed-0",
+ "name": "0Ahmed-0",
+ "avatar_url": "https://avatars.githubusercontent.com/u/111569638?v=4",
+ "profile": "https://github.com/0Ahmed-0",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "guizo792",
+ "name": "guizo792",
+ "avatar_url": "https://avatars.githubusercontent.com/u/95940388?v=4",
+ "profile": "https://github.com/guizo792",
+ "contributions": [
+ "content"
+ ]
+ },
+ {
+ "login": "kazu728",
+ "name": "Kazuki Matsuo",
+ "avatar_url": "https://avatars.githubusercontent.com/u/34614358?v=4",
+ "profile": "https://github.com/kazu728",
+ "contributions": [
+ "code"
+ ]
}
],
"contributorsPerLine": 8,
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index e1b2cec..f25e8bd 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,17 +1,8 @@
{
- "image": "mcr.microsoft.com/devcontainers/universal:2-linux",
- "waitFor": "onCreateCommand",
- "onCreateCommand": ".devcontainer/setup.sh",
- "updateContentCommand": "cargo build",
- "postCreateCommand": "",
- "postAttachCommand": {
- "server": "rustlings watch"
- },
- "customizations": {
- "vscode": {
- "extensions": [
- "rust-lang.rust-analyzer"
- ]
- }
+ "image": "mcr.microsoft.com/devcontainers/rust:1",
+ "updateContentCommand": ["cargo", "build"],
+ "postAttachCommand": ["rustlings", "watch"],
+ "remoteEnv": {
+ "PATH": "${containerEnv:PATH}:${containerWorkspaceFolder}/target/debug"
}
}
diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
deleted file mode 100755
index 0e090a8..0000000
--- a/.devcontainer/setup.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/bash
-curl https://sh.rustup.rs -sSf | sh -s -- -y
-
-# Update current shell environment variables after install to find rustup
-. "$HOME/.cargo/env"
-rustup install stable
-bash install.sh
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..efdba87
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+* text=auto
+*.sh text eol=lf
diff --git a/AUTHORS.md b/AUTHORS.md
index 5466c9c..00122e0 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -362,6 +362,22 @@ authors.
gerases
π |
+ 
Luca Plian
π» |
+ 
RenΓ© Reifenrath
π |
+ 
Peter Neave
π |
+ 
Jan
π |
+ 
Kyle VanderBeek
π |
+ 
pavedroad
π |
+ 
luna
π |
+
+
+ 
Evan Miller
π |
+ 
luvchurchill
π» |
+ 
Ze-en Xiong
π |
+ 
Parnav Harinathan
π |
+ 
0Ahmed-0
π |
+ 
guizo792
π |
+ 
Kazuki Matsuo
π» |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a7226a4..a199e4d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -167,7 +167,7 @@
- **structs3**: Clarifed the hint
- **quiz2, as_ref_mut, options1, traits1, traits2**: Clarified hints
- **traits1, traits2, cli**: Tidied up unmatching backticks
-- **enums2**: Removed unneccessary indirection of self
+- **enums2**: Removed unnecessary indirection of self
- **enums3**: Added an extra tuple comment
#### Housekeeping
diff --git a/Cargo.lock b/Cargo.lock
index 93489eb..f4853d0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,18 +4,18 @@ version = 3
[[package]]
name = "aho-corasick"
-version = "0.7.20"
+version = "1.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
dependencies = [
"memchr",
]
[[package]]
name = "anstream"
-version = "0.5.0"
+version = "0.6.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f58811cfac344940f1a400b6e6231ce35171f614f26439e80f8c1465c5cc0c"
+checksum = "d96bd03f33fe50a863e394ee9718a706f988b9079b20c3784fb726e7678b62fb"
dependencies = [
"anstyle",
"anstyle-parse",
@@ -27,43 +27,49 @@ dependencies = [
[[package]]
name = "anstyle"
-version = "1.0.3"
+version = "1.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b84bf0a05bbb2a83e5eb6fa36bb6e87baa08193c35ff52bbf6b38d8af2890e46"
+checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
[[package]]
name = "anstyle-parse"
-version = "0.2.1"
+version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
dependencies = [
"utf8parse",
]
[[package]]
name = "anstyle-query"
-version = "1.0.0"
+version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
dependencies = [
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
]
[[package]]
name = "anstyle-wincon"
-version = "2.1.0"
+version = "3.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58f54d10c6dfa51283a066ceab3ec1ab78d13fae00aa49243a45e4571fb79dfd"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
dependencies = [
"anstyle",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
]
[[package]]
-name = "assert_cmd"
-version = "2.0.12"
+name = "anyhow"
+version = "1.0.81"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88903cb14723e4d4003335bb7f8a14f27691649105346a0f0957466c096adfe6"
+checksum = "0952808a6c2afd1aa8947271f3a60f1a6763c7b912d210184c5149b5cf147247"
+
+[[package]]
+name = "assert_cmd"
+version = "2.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed72493ac66d5804837f480ab3766c72bdfab91a65e565fc54fa9e42db0073a8"
dependencies = [
"anstyle",
"bstr",
@@ -76,9 +82,9 @@ dependencies = [
[[package]]
name = "autocfg"
-version = "1.1.0"
+version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+checksum = "f1fdabc7756949593fe60f30ec81974b613357de856987752631dea1e3394c80"
[[package]]
name = "bitflags"
@@ -88,15 +94,15 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "bitflags"
-version = "2.4.1"
+version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
[[package]]
name = "bstr"
-version = "1.6.2"
+version = "1.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c2f7349907b712260e64b0afe2f84692af14a454be26187d9df565c7f69266a"
+checksum = "05efc5cfd9110c8416e471df0e96702d58690178e206e61b7173706673c93706"
dependencies = [
"memchr",
"regex-automata",
@@ -111,9 +117,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "clap"
-version = "4.4.3"
+version = "4.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84ed82781cea27b43c9b106a979fe450a13a31aab0500595fb3fc06616de08e6"
+checksum = "90bc066a67923782aa8515dbaea16946c5bcc5addbd668bb80af688e53e548a0"
dependencies = [
"clap_builder",
"clap_derive",
@@ -121,9 +127,9 @@ dependencies = [
[[package]]
name = "clap_builder"
-version = "4.4.2"
+version = "4.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bb9faaa7c2ef94b2743a21f5a29e6f0010dff4caa69ac8e9d6cf8b6fa74da08"
+checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
dependencies = [
"anstream",
"anstyle",
@@ -133,9 +139,9 @@ dependencies = [
[[package]]
name = "clap_derive"
-version = "4.4.2"
+version = "4.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0862016ff20d69b84ef8247369fabf5c008a7417002411897d40ee1f4532b873"
+checksum = "528131438037fd55894f62d6e9f068b8f45ac57ffa77517819645d10aed04f64"
dependencies = [
"heck",
"proc-macro2",
@@ -145,9 +151,9 @@ dependencies = [
[[package]]
name = "clap_lex"
-version = "0.5.1"
+version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
+checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
[[package]]
name = "colorchoice"
@@ -157,35 +163,31 @@ checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
[[package]]
name = "console"
-version = "0.15.5"
+version = "0.15.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d79fbe8970a77e3e34151cc13d3b3e248aa0faaecb9f6091fa07ebefe5ad60"
+checksum = "0e1f83fc076bd6dd27517eacdf25fef6c4dfe5f1d7448bafaaf3a26f13b5e4eb"
dependencies = [
"encode_unicode",
"lazy_static",
"libc",
"unicode-width",
- "windows-sys 0.42.0",
+ "windows-sys 0.52.0",
]
[[package]]
name = "crossbeam-channel"
-version = "0.5.8"
+version = "0.5.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a33c2bf77f2df06183c3aa30d1e96c0695a313d4f9c453cc3762a6db39f99200"
+checksum = "ab3db02a9c5b5121e1e42fbdb1aeb65f5e02624cc58c43f2884c6ccac0b82f95"
dependencies = [
- "cfg-if",
"crossbeam-utils",
]
[[package]]
name = "crossbeam-utils"
-version = "0.8.16"
+version = "0.8.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a22b2d63d4d1dc0b7f1b6b2747dd0088008a9be28b6ddf0b1e7d335e3037294"
-dependencies = [
- "cfg-if",
-]
+checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
[[package]]
name = "difflib"
@@ -201,9 +203,9 @@ checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
[[package]]
name = "either"
-version = "1.9.0"
+version = "1.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+checksum = "11157ac094ffbdde99aa67b23417ebdd801842852b500e395a45a9c0aac03e4a"
[[package]]
name = "encode_unicode"
@@ -218,15 +220,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
[[package]]
-name = "filetime"
-version = "0.2.22"
+name = "errno"
+version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4029edd3e734da6fe05b6cd7bd2960760a616bd2ddd0d59a0124746d6272af0"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "filetime"
+version = "0.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ee447700ac8aa0b2f2bd7bc4462ad686ba06baa6727ac149a2d6277f0d240fd"
dependencies = [
"cfg-if",
"libc",
"redox_syscall",
- "windows-sys 0.48.0",
+ "windows-sys 0.52.0",
]
[[package]]
@@ -255,30 +267,30 @@ checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
[[package]]
name = "hashbrown"
-version = "0.14.0"
+version = "0.14.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
[[package]]
name = "heck"
-version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
[[package]]
name = "home"
-version = "0.5.4"
+version = "0.5.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "747309b4b440c06d57b0b25f2aee03ee9b5e5397d288c60e21fc709bb98a7408"
+checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
dependencies = [
- "winapi",
+ "windows-sys 0.52.0",
]
[[package]]
name = "indexmap"
-version = "2.0.0"
+version = "2.2.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
dependencies = [
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"hashbrown",
@@ -286,9 +298,9 @@ dependencies = [
[[package]]
name = "indicatif"
-version = "0.17.6"
+version = "0.17.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "763a5a8f45087d6bcea4222e7b72c291a054edf80e4ef6efd2a4979878c7bea3"
dependencies = [
"console",
"instant",
@@ -326,20 +338,11 @@ dependencies = [
"cfg-if",
]
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "either",
-]
-
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name = "itoa"
-version = "1.0.6"
+version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
[[package]]
name = "kqueue"
@@ -369,30 +372,33 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
name = "libc"
-version = "0.2.150"
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source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
+checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
+
+[[package]]
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[[package]]
name = "log"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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-version = "0.5.15"
+name = "windows_x86_64_msvc"
+version = "0.52.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c2e3184b9c4e92ad5167ca73039d0c42476302ab603e2fec4487511f38ccefc"
+checksum = "32b752e52a2da0ddfbdbcc6fceadfeede4c939ed16d13e648833a61dfb611ed8"
+
+[[package]]
+name = "winnow"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dffa400e67ed5a4dd237983829e66475f0a4a26938c4b04c21baede6262215b8"
dependencies = [
"memchr",
]
+
+[[package]]
+name = "winsafe"
+version = "0.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d135d17ab770252ad95e9a872d365cf3090e3be864a34ab46f48555993efc904"
diff --git a/Cargo.toml b/Cargo.toml
index 24bee7c..2d152cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,22 +9,23 @@ authors = [
edition = "2021"
[dependencies]
-indicatif = "0.17.6"
-console = "0.15"
+anyhow = "1.0.81"
+clap = { version = "4.5.4", features = ["derive"] }
+console = "0.15.8"
+indicatif = "0.17.8"
notify-debouncer-mini = "0.4.1"
-toml = "0.7.6"
-regex = "1.5"
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0.81"
-home = "0.5.3"
-glob = "0.3.0"
-clap = { version = "4.4.0", features = ["derive"] }
+serde_json = "1.0.115"
+serde = { version = "1.0.197", features = ["derive"] }
+shlex = "1.3.0"
+toml_edit = { version = "0.22.9", default-features = false, features = ["parse", "serde"] }
+which = "6.0.1"
+winnow = "0.6.5"
[[bin]]
name = "rustlings"
path = "src/main.rs"
[dev-dependencies]
-assert_cmd = "2.0.12"
-predicates = "3.0.3"
+assert_cmd = "2.0.14"
glob = "0.3.0"
+predicates = "3.1.0"
diff --git a/exercises/03_if/if1.rs b/exercises/03_if/if1.rs
index 4734d78..d2afccf 100644
--- a/exercises/03_if/if1.rs
+++ b/exercises/03_if/if1.rs
@@ -6,6 +6,7 @@
pub fn bigger(a: i32, b: i32) -> i32 {
// Complete this function to return the bigger number!
+ // If both numbers are equal, any of them can be returned.
// Do not use:
// - another function call
// - additional variables
diff --git a/exercises/06_move_semantics/move_semantics2.rs b/exercises/06_move_semantics/move_semantics2.rs
index baf6bcc..dc58be5 100644
--- a/exercises/06_move_semantics/move_semantics2.rs
+++ b/exercises/06_move_semantics/move_semantics2.rs
@@ -11,7 +11,7 @@
fn main() {
let vec0 = vec![22, 44, 66];
- let mut vec1 = fill_vec(vec0);
+ let vec1 = fill_vec(vec0);
assert_eq!(vec0, vec![22, 44, 66]);
assert_eq!(vec1, vec![22, 44, 66, 88]);
diff --git a/exercises/06_move_semantics/move_semantics3.rs b/exercises/06_move_semantics/move_semantics3.rs
index 7af9e69..7152c71 100644
--- a/exercises/06_move_semantics/move_semantics3.rs
+++ b/exercises/06_move_semantics/move_semantics3.rs
@@ -12,7 +12,7 @@
fn main() {
let vec0 = vec![22, 44, 66];
- let mut vec1 = fill_vec(vec0);
+ let vec1 = fill_vec(vec0);
assert_eq!(vec1, vec![22, 44, 66, 88]);
}
diff --git a/exercises/06_move_semantics/move_semantics4.rs b/exercises/06_move_semantics/move_semantics4.rs
index 80b49db..bfc917f 100644
--- a/exercises/06_move_semantics/move_semantics4.rs
+++ b/exercises/06_move_semantics/move_semantics4.rs
@@ -13,7 +13,7 @@
fn main() {
let vec0 = vec![22, 44, 66];
- let mut vec1 = fill_vec(vec0);
+ let vec1 = fill_vec(vec0);
assert_eq!(vec1, vec![22, 44, 66, 88]);
}
diff --git a/exercises/09_strings/strings3.rs b/exercises/09_strings/strings3.rs
index b29f932..384e7ce 100644
--- a/exercises/09_strings/strings3.rs
+++ b/exercises/09_strings/strings3.rs
@@ -11,7 +11,7 @@ fn trim_me(input: &str) -> String {
}
fn compose_me(input: &str) -> String {
- // TODO: Add " world!" to the string! There's multiple ways to do this!
+ // TODO: Add " world!" to the string! There are multiple ways to do this!
???
}
diff --git a/exercises/11_hashmaps/hashmaps3.rs b/exercises/11_hashmaps/hashmaps3.rs
index 36544ee..8d9236d 100644
--- a/exercises/11_hashmaps/hashmaps3.rs
+++ b/exercises/11_hashmaps/hashmaps3.rs
@@ -4,10 +4,11 @@
// the form : ",,,"
// Example: England,France,4,2 (England scored 4 goals, France 2).
//
-// You have to build a scores table containing the name of the team, goals the
-// team scored, and goals the team conceded. One approach to build the scores
-// table is to use a Hashmap. The solution is partially written to use a
-// Hashmap, complete it to pass the test.
+// You have to build a scores table containing the name of the team, the total
+// number of goals the team scored, and the total number of goals the team
+// conceded. One approach to build the scores table is to use a Hashmap.
+// The solution is partially written to use a Hashmap,
+// complete it to pass the test.
//
// Make me pass the tests!
//
diff --git a/exercises/18_iterators/iterators4.rs b/exercises/18_iterators/iterators4.rs
index 79e1692..3c0724e 100644
--- a/exercises/18_iterators/iterators4.rs
+++ b/exercises/18_iterators/iterators4.rs
@@ -8,7 +8,7 @@
pub fn factorial(num: u64) -> u64 {
// Complete this function to return the factorial of num
// Do not use:
- // - return
+ // - early returns (using the `return` keyword explicitly)
// Try not to use:
// - imperative style loops (for, while)
// - additional variables
diff --git a/exercises/20_threads/threads3.rs b/exercises/20_threads/threads3.rs
index 91006bb..acb97b4 100644
--- a/exercises/20_threads/threads3.rs
+++ b/exercises/20_threads/threads3.rs
@@ -27,22 +27,18 @@ impl Queue {
}
fn send_tx(q: Queue, tx: mpsc::Sender) -> () {
- let qc = Arc::new(q);
- let qc1 = Arc::clone(&qc);
- let qc2 = Arc::clone(&qc);
-
thread::spawn(move || {
- for val in &qc1.first_half {
+ for val in q.first_half {
println!("sending {:?}", val);
- tx.send(*val).unwrap();
+ tx.send(val).unwrap();
thread::sleep(Duration::from_secs(1));
}
});
thread::spawn(move || {
- for val in &qc2.second_half {
+ for val in q.second_half {
println!("sending {:?}", val);
- tx.send(*val).unwrap();
+ tx.send(val).unwrap();
thread::sleep(Duration::from_secs(1));
}
});
diff --git a/exercises/23_conversions/from_into.rs b/exercises/23_conversions/from_into.rs
index 60911f3..11787c3 100644
--- a/exercises/23_conversions/from_into.rs
+++ b/exercises/23_conversions/from_into.rs
@@ -24,8 +24,9 @@ impl Default for Person {
}
}
-// Your task is to complete this implementation in order for the line `let p =
-// Person::from("Mark,20")` to compile Please note that you'll need to parse the
+
+// Your task is to complete this implementation in order for the line `let p1 =
+// Person::from("Mark,20")` to compile. Please note that you'll need to parse the
// age component into a `usize` with something like `"4".parse::()`. The
// outcome of this needs to be handled appropriately.
//
@@ -43,8 +44,7 @@ impl Default for Person {
// I AM NOT DONE
impl From<&str> for Person {
- fn from(s: &str) -> Person {
- }
+ fn from(s: &str) -> Person {}
}
fn main() {
@@ -127,14 +127,14 @@ mod tests {
#[test]
fn test_trailing_comma() {
let p: Person = Person::from("Mike,32,");
- assert_eq!(p.name, "Mike");
- assert_eq!(p.age, 32);
+ assert_eq!(p.name, "John");
+ assert_eq!(p.age, 30);
}
#[test]
fn test_trailing_comma_and_some_string() {
- let p: Person = Person::from("Mike,32,man");
- assert_eq!(p.name, "Mike");
- assert_eq!(p.age, 32);
+ let p: Person = Person::from("Mike,32,dog");
+ assert_eq!(p.name, "John");
+ assert_eq!(p.age, 30);
}
}
diff --git a/exercises/README.md b/exercises/README.md
index 4cb966e..237f2f1 100644
--- a/exercises/README.md
+++ b/exercises/README.md
@@ -17,11 +17,11 @@
| error_handling | Β§9 |
| generics | Β§10 |
| traits | Β§10.2 |
-| tests | Β§11.1 |
| lifetimes | Β§10.3 |
+| tests | Β§11.1 |
| iterators | Β§13.2-4 |
-| threads | Β§16.1-3 |
| smart_pointers | Β§15, Β§16.3 |
+| threads | Β§16.1-3 |
| macros | Β§19.5 |
| clippy | Β§21.4 |
| conversions | n/a |
diff --git a/info.toml b/info.toml
index 887662a..b1cd64c 100644
--- a/info.toml
+++ b/info.toml
@@ -145,7 +145,7 @@ after the `->`. This is where the function's return type should be -- take a
look at the `is_even` function for an example!
Also: Did you figure out that, technically, `u32` would be the more fitting type
-for the prices here, since they can't be negative? If so, kudos!"""
+for the inputs of the functions here, since the original prices shouldn't be negative? If so, kudos!"""
[[exercises]]
name = "functions5"
@@ -248,7 +248,7 @@ starting and ending (plus one) indices of the items in the `Array` that you
want to end up in the slice.
If you're curious why the first argument of `assert_eq!` does not have an
-ampersand for a reference since the second argument is areference, take a look
+ampersand for a reference since the second argument is a reference, take a look
at the coercion chapter of the nomicon:
https://doc.rust-lang.org/nomicon/coercions.html"""
diff --git a/install.sh b/install.sh
index 5915a33..fdbe8d4 100755
--- a/install.sh
+++ b/install.sh
@@ -137,7 +137,7 @@ fi
Path=${1:-rustlings/}
echo "Cloning Rustlings at $Path..."
-git clone -q https://github.com/rust-lang/rustlings "$Path"
+git clone -q https://github.com/rust-lang/rustlings.git "$Path"
cd "$Path"
diff --git a/src/exercise.rs b/src/exercise.rs
index 664b362..19f528a 100644
--- a/src/exercise.rs
+++ b/src/exercise.rs
@@ -1,19 +1,33 @@
-use regex::Regex;
use serde::Deserialize;
-use std::env;
use std::fmt::{self, Display, Formatter};
use std::fs::{self, remove_file, File};
-use std::io::Read;
+use std::io::{self, BufRead, BufReader};
use std::path::PathBuf;
-use std::process::{self, Command};
+use std::process::{self, exit, Command, Stdio};
+use std::{array, env, mem};
+use winnow::ascii::{space0, Caseless};
+use winnow::combinator::opt;
+use winnow::Parser;
const RUSTC_COLOR_ARGS: &[&str] = &["--color", "always"];
const RUSTC_EDITION_ARGS: &[&str] = &["--edition", "2021"];
const RUSTC_NO_DEBUG_ARGS: &[&str] = &["-C", "strip=debuginfo"];
-const I_AM_DONE_REGEX: &str = r"(?m)^\s*///?\s*I\s+AM\s+NOT\s+DONE";
const CONTEXT: usize = 2;
const CLIPPY_CARGO_TOML_PATH: &str = "./exercises/22_clippy/Cargo.toml";
+// Checks if the line contains the "I AM NOT DONE" comment.
+fn contains_not_done_comment(input: &str) -> bool {
+ (
+ space0::<_, ()>,
+ "//",
+ opt('/'),
+ space0,
+ Caseless("I AM NOT DONE"),
+ )
+ .parse_next(&mut &*input)
+ .is_ok()
+}
+
// Get a temporary file name that is hopefully unique
#[inline]
fn temp_file() -> String {
@@ -58,7 +72,7 @@ pub struct Exercise {
// An enum to track of the state of an Exercise.
// An Exercise can be either Done or Pending
-#[derive(PartialEq, Debug)]
+#[derive(PartialEq, Eq, Debug)]
pub enum State {
// The state of the exercise once it's been completed
Done,
@@ -67,7 +81,7 @@ pub enum State {
}
// The context information of a pending exercise
-#[derive(PartialEq, Debug)]
+#[derive(PartialEq, Eq, Debug)]
pub struct ContextLine {
// The source code that is still pending completion
pub line: String,
@@ -148,7 +162,10 @@ path = "{}.rs""#,
.args(RUSTC_COLOR_ARGS)
.args(RUSTC_EDITION_ARGS)
.args(RUSTC_NO_DEBUG_ARGS)
- .output()
+ .stdin(Stdio::null())
+ .stdout(Stdio::null())
+ .stderr(Stdio::null())
+ .status()
.expect("Failed to compile!");
// Due to an issue with Clippy, a cargo clean is required to catch all lints.
// See https://github.com/rust-lang/rust-clippy/issues/2604
@@ -157,7 +174,10 @@ path = "{}.rs""#,
Command::new("cargo")
.args(["clean", "--manifest-path", CLIPPY_CARGO_TOML_PATH])
.args(RUSTC_COLOR_ARGS)
- .output()
+ .stdin(Stdio::null())
+ .stdout(Stdio::null())
+ .stderr(Stdio::null())
+ .status()
.expect("Failed to run 'cargo clean'");
Command::new("cargo")
.args(["clippy", "--manifest-path", CLIPPY_CARGO_TOML_PATH])
@@ -205,51 +225,101 @@ path = "{}.rs""#,
}
pub fn state(&self) -> State {
- let mut source_file = File::open(&self.path).unwrap_or_else(|e| {
- panic!(
- "We were unable to open the exercise file {}! {e}",
- self.path.display()
- )
+ let source_file = File::open(&self.path).unwrap_or_else(|e| {
+ println!(
+ "Failed to open the exercise file {}: {e}",
+ self.path.display(),
+ );
+ exit(1);
});
+ let mut source_reader = BufReader::new(source_file);
- let source = {
- let mut s = String::new();
- source_file.read_to_string(&mut s).unwrap_or_else(|e| {
- panic!(
- "We were unable to read the exercise file {}! {e}",
- self.path.display()
- )
- });
- s
+ // Read the next line into `buf` without the newline at the end.
+ let mut read_line = |buf: &mut String| -> io::Result<_> {
+ let n = source_reader.read_line(buf)?;
+ if buf.ends_with('\n') {
+ buf.pop();
+ if buf.ends_with('\r') {
+ buf.pop();
+ }
+ }
+ Ok(n)
};
- let re = Regex::new(I_AM_DONE_REGEX).unwrap();
+ let mut current_line_number: usize = 1;
+ // Keep the last `CONTEXT` lines while iterating over the file lines.
+ let mut prev_lines: [_; CONTEXT] = array::from_fn(|_| String::with_capacity(256));
+ let mut line = String::with_capacity(256);
- if !re.is_match(&source) {
- return State::Done;
+ loop {
+ let n = read_line(&mut line).unwrap_or_else(|e| {
+ println!(
+ "Failed to read the exercise file {}: {e}",
+ self.path.display(),
+ );
+ exit(1);
+ });
+
+ // Reached the end of the file and didn't find the comment.
+ if n == 0 {
+ return State::Done;
+ }
+
+ if contains_not_done_comment(&line) {
+ let mut context = Vec::with_capacity(2 * CONTEXT + 1);
+ // Previous lines.
+ for (ind, prev_line) in prev_lines
+ .into_iter()
+ .take(current_line_number - 1)
+ .enumerate()
+ .rev()
+ {
+ context.push(ContextLine {
+ line: prev_line,
+ number: current_line_number - 1 - ind,
+ important: false,
+ });
+ }
+
+ // Current line.
+ context.push(ContextLine {
+ line,
+ number: current_line_number,
+ important: true,
+ });
+
+ // Next lines.
+ for ind in 0..CONTEXT {
+ let mut next_line = String::with_capacity(256);
+ let Ok(n) = read_line(&mut next_line) else {
+ // If an error occurs, just ignore the next lines.
+ break;
+ };
+
+ // Reached the end of the file.
+ if n == 0 {
+ break;
+ }
+
+ context.push(ContextLine {
+ line: next_line,
+ number: current_line_number + 1 + ind,
+ important: false,
+ });
+ }
+
+ return State::Pending(context);
+ }
+
+ current_line_number += 1;
+ // Add the current line as a previous line and shift the older lines by one.
+ for prev_line in &mut prev_lines {
+ mem::swap(&mut line, prev_line);
+ }
+ // The current line now contains the oldest previous line.
+ // Recycle it for reading the next line.
+ line.clear();
}
-
- let matched_line_index = source
- .lines()
- .enumerate()
- .find_map(|(i, line)| if re.is_match(line) { Some(i) } else { None })
- .expect("This should not happen at all");
-
- let min_line = ((matched_line_index as i32) - (CONTEXT as i32)).max(0) as usize;
- let max_line = matched_line_index + CONTEXT;
-
- let context = source
- .lines()
- .enumerate()
- .filter(|&(i, _)| i >= min_line && i <= max_line)
- .map(|(i, line)| ContextLine {
- line: line.to_string(),
- number: i + 1,
- important: i == matched_line_index,
- })
- .collect();
-
- State::Pending(context)
}
// Check that the exercise looks to be solved using self.state()
@@ -375,4 +445,20 @@ mod test {
let out = exercise.compile().unwrap().run().unwrap();
assert!(out.stdout.contains("THIS TEST TOO SHALL PASS"));
}
+
+ #[test]
+ fn test_not_done() {
+ assert!(contains_not_done_comment("// I AM NOT DONE"));
+ assert!(contains_not_done_comment("/// I AM NOT DONE"));
+ assert!(contains_not_done_comment("// I AM NOT DONE"));
+ assert!(contains_not_done_comment("/// I AM NOT DONE"));
+ assert!(contains_not_done_comment("// I AM NOT DONE "));
+ assert!(contains_not_done_comment("// I AM NOT DONE!"));
+ assert!(contains_not_done_comment("// I am not done"));
+ assert!(contains_not_done_comment("// i am NOT done"));
+
+ assert!(!contains_not_done_comment("I AM NOT DONE"));
+ assert!(!contains_not_done_comment("// NOT DONE"));
+ assert!(!contains_not_done_comment("DONE"));
+ }
}
diff --git a/src/main.rs b/src/main.rs
index a06f0c5..8f73dbb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,16 +1,18 @@
use crate::exercise::{Exercise, ExerciseList};
-use crate::project::RustAnalyzerProject;
+use crate::project::write_project_json;
use crate::run::{reset, run};
use crate::verify::verify;
+use anyhow::Result;
use clap::{Parser, Subcommand};
use console::Emoji;
use notify_debouncer_mini::notify::{self, RecursiveMode};
use notify_debouncer_mini::{new_debouncer, DebouncedEventKind};
+use shlex::Shlex;
use std::ffi::OsStr;
use std::fs;
use std::io::{self, prelude::*};
use std::path::Path;
-use std::process::{Command, Stdio};
+use std::process::Command;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::mpsc::{channel, RecvTimeoutError};
use std::sync::{Arc, Mutex};
@@ -84,31 +86,32 @@ enum Subcommands {
Lsp,
}
-fn main() {
+fn main() -> Result<()> {
let args = Args::parse();
if args.command.is_none() {
println!("\n{WELCOME}\n");
}
- if !Path::new("info.toml").exists() {
- println!(
- "{} must be run from the rustlings directory",
- std::env::current_exe().unwrap().to_str().unwrap()
- );
- println!("Try `cd rustlings/`!");
- std::process::exit(1);
- }
-
- if !rustc_exists() {
+ if which::which("rustc").is_err() {
println!("We cannot find `rustc`.");
println!("Try running `rustc --version` to diagnose your problem.");
println!("For instructions on how to install Rust, check the README.");
std::process::exit(1);
}
- let toml_str = &fs::read_to_string("info.toml").unwrap();
- let exercises = toml::from_str::(toml_str).unwrap().exercises;
+ let info_file = fs::read_to_string("info.toml").unwrap_or_else(|e| {
+ match e.kind() {
+ io::ErrorKind::NotFound => println!(
+ "The program must be run from the rustlings directory\nTry `cd rustlings/`!",
+ ),
+ _ => println!("Failed to read the info.toml file: {e}"),
+ }
+ std::process::exit(1);
+ });
+ let exercises = toml_edit::de::from_str::(&info_file)
+ .unwrap()
+ .exercises;
let verbose = args.nocapture;
let command = args.command.unwrap_or_else(|| {
@@ -128,31 +131,43 @@ fn main() {
println!("{:<17}\t{:<46}\t{:<7}", "Name", "Path", "Status");
}
let mut exercises_done: u16 = 0;
- let filters = filter.clone().unwrap_or_default().to_lowercase();
- exercises.iter().for_each(|e| {
- let fname = format!("{}", e.path.display());
+ let lowercase_filter = filter
+ .as_ref()
+ .map(|s| s.to_lowercase())
+ .unwrap_or_default();
+ let filters = lowercase_filter
+ .split(',')
+ .filter_map(|f| {
+ let f = f.trim();
+ if f.is_empty() {
+ None
+ } else {
+ Some(f)
+ }
+ })
+ .collect::>();
+
+ for exercise in &exercises {
+ let fname = exercise.path.to_string_lossy();
let filter_cond = filters
- .split(',')
- .filter(|f| !f.trim().is_empty())
- .any(|f| e.name.contains(f) || fname.contains(f));
- let status = if e.looks_done() {
+ .iter()
+ .any(|f| exercise.name.contains(f) || fname.contains(f));
+ let looks_done = exercise.looks_done();
+ let status = if looks_done {
exercises_done += 1;
"Done"
} else {
"Pending"
};
- let solve_cond = {
- (e.looks_done() && solved)
- || (!e.looks_done() && unsolved)
- || (!solved && !unsolved)
- };
+ let solve_cond =
+ (looks_done && solved) || (!looks_done && unsolved) || (!solved && !unsolved);
if solve_cond && (filter_cond || filter.is_none()) {
let line = if paths {
format!("{fname}\n")
} else if names {
- format!("{}\n", e.name)
+ format!("{}\n", exercise.name)
} else {
- format!("{:<17}\t{fname:<46}\t{status:<7}\n", e.name)
+ format!("{:<17}\t{fname:<46}\t{status:<7}\n", exercise.name)
};
// Somehow using println! leads to the binary panicking
// when its output is piped.
@@ -168,7 +183,8 @@ fn main() {
});
}
}
- });
+ }
+
let percentage_progress = exercises_done as f32 / exercises.len() as f32 * 100.0;
println!(
"Progress: You completed {} / {} exercises ({:.1} %).",
@@ -203,30 +219,17 @@ fn main() {
}
Subcommands::Lsp => {
- let mut project = RustAnalyzerProject::new();
- project
- .get_sysroot_src()
- .expect("Couldn't find toolchain path, do you have `rustc` installed?");
- project
- .exercises_to_json()
- .expect("Couldn't parse rustlings exercises files");
-
- if project.crates.is_empty() {
- println!("Failed find any exercises, make sure you're in the `rustlings` folder");
- } else if project.write_to_disk().is_err() {
- println!("Failed to write rust-project.json to disk for rust-analyzer");
+ if let Err(e) = write_project_json(exercises) {
+ println!("Failed to write rust-project.json to disk for rust-analyzer: {e}");
} else {
println!("Successfully generated rust-project.json");
- println!("rust-analyzer will now parse exercises, restart your language server or editor")
+ println!("rust-analyzer will now parse exercises, restart your language server or editor");
}
}
Subcommands::Watch { success_hints } => match watch(&exercises, verbose, success_hints) {
Err(e) => {
- println!(
- "Error: Could not watch your progress. Error message was {:?}.",
- e
- );
+ println!("Error: Could not watch your progress. Error message was {e:?}.");
println!("Most likely you've run out of disk space or your 'inotify limit' has been reached.");
std::process::exit(1);
}
@@ -243,56 +246,60 @@ fn main() {
}
},
}
+
+ Ok(())
}
fn spawn_watch_shell(
- failed_exercise_hint: &Arc>>,
+ failed_exercise_hint: Arc>>,
should_quit: Arc,
) {
- let failed_exercise_hint = Arc::clone(failed_exercise_hint);
println!("Welcome to watch mode! You can type 'help' to get an overview of the commands you can use here.");
- thread::spawn(move || loop {
- let mut input = String::new();
- match io::stdin().read_line(&mut input) {
- Ok(_) => {
- let input = input.trim();
- if input == "hint" {
- if let Some(hint) = &*failed_exercise_hint.lock().unwrap() {
- println!("{hint}");
- }
- } else if input == "clear" {
- println!("\x1B[2J\x1B[1;1H");
- } else if input.eq("quit") {
- should_quit.store(true, Ordering::SeqCst);
- println!("Bye!");
- } else if input.eq("help") {
- println!("Commands available to you in watch mode:");
- println!(" hint - prints the current exercise's hint");
- println!(" clear - clears the screen");
- println!(" quit - quits watch mode");
- println!(" ! - executes a command, like `!rustc --explain E0381`");
- println!(" help - displays this help message");
- println!();
- println!("Watch mode automatically re-evaluates the current exercise");
- println!("when you edit a file's contents.")
- } else if let Some(cmd) = input.strip_prefix('!') {
- let parts: Vec<&str> = cmd.split_whitespace().collect();
- if parts.is_empty() {
- println!("no command provided");
- } else if let Err(e) = Command::new(parts[0]).args(&parts[1..]).status() {
- println!("failed to execute command `{}`: {}", cmd, e);
- }
- } else {
- println!("unknown command: {input}");
- }
+
+ thread::spawn(move || {
+ let mut input = String::with_capacity(32);
+ let mut stdin = io::stdin().lock();
+
+ loop {
+ // Recycle input buffer.
+ input.clear();
+
+ if let Err(e) = stdin.read_line(&mut input) {
+ println!("error reading command: {e}");
+ }
+
+ let input = input.trim();
+ if input == "hint" {
+ if let Some(hint) = &*failed_exercise_hint.lock().unwrap() {
+ println!("{hint}");
+ }
+ } else if input == "clear" {
+ println!("\x1B[2J\x1B[1;1H");
+ } else if input == "quit" {
+ should_quit.store(true, Ordering::SeqCst);
+ println!("Bye!");
+ } else if input == "help" {
+ println!("{WATCH_MODE_HELP_MESSAGE}");
+ } else if let Some(cmd) = input.strip_prefix('!') {
+ let mut parts = Shlex::new(cmd);
+
+ let Some(program) = parts.next() else {
+ println!("no command provided");
+ continue;
+ };
+
+ if let Err(e) = Command::new(program).args(parts).status() {
+ println!("failed to execute command `{cmd}`: {e}");
+ }
+ } else {
+ println!("unknown command: {input}\n{WATCH_MODE_HELP_MESSAGE}");
}
- Err(error) => println!("error reading command: {error}"),
}
});
}
fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> &'a Exercise {
- if name.eq("next") {
+ if name == "next" {
exercises
.iter()
.find(|e| !e.looks_done())
@@ -338,7 +345,6 @@ fn watch(
clear_screen();
- let to_owned_hint = |t: &Exercise| t.hint.to_owned();
let failed_exercise_hint = match verify(
exercises.iter(),
(0, exercises.len()),
@@ -346,9 +352,9 @@ fn watch(
success_hints,
) {
Ok(_) => return Ok(WatchStatus::Finished),
- Err(exercise) => Arc::new(Mutex::new(Some(to_owned_hint(exercise)))),
+ Err(exercise) => Arc::new(Mutex::new(Some(exercise.hint.clone()))),
};
- spawn_watch_shell(&failed_exercise_hint, Arc::clone(&should_quit));
+ spawn_watch_shell(Arc::clone(&failed_exercise_hint), Arc::clone(&should_quit));
loop {
match rx.recv_timeout(Duration::from_secs(1)) {
Ok(event) => match event {
@@ -383,7 +389,7 @@ fn watch(
Err(exercise) => {
let mut failed_exercise_hint =
failed_exercise_hint.lock().unwrap();
- *failed_exercise_hint = Some(to_owned_hint(exercise));
+ *failed_exercise_hint = Some(exercise.hint.clone());
}
}
}
@@ -403,19 +409,7 @@ fn watch(
}
}
-fn rustc_exists() -> bool {
- Command::new("rustc")
- .args(["--version"])
- .stdout(Stdio::null())
- .stderr(Stdio::null())
- .stdin(Stdio::null())
- .spawn()
- .and_then(|mut child| child.wait())
- .map(|status| status.success())
- .unwrap_or(false)
-}
-
-const DEFAULT_OUT: &str = r#"Thanks for installing Rustlings!
+const DEFAULT_OUT: &str = "Thanks for installing Rustlings!
Is this your first time? Don't worry, Rustlings was made for beginners! We are
going to teach you a lot of things about Rust, but before we can get
@@ -441,7 +435,7 @@ started, here's a couple of notes about how Rustlings operates:
autocompletion, run the command `rustlings lsp`.
Got all that? Great! To get started, run `rustlings watch` in order to get the first
-exercise. Make sure to have your editor open!"#;
+exercise. Make sure to have your editor open!";
const FENISH_LINE: &str = "+----------------------------------------------------+
| You made it to the Fe-nish line! |
@@ -477,3 +471,13 @@ const WELCOME: &str = r" welcome to...
| | | |_| \__ \ |_| | | | | | (_| \__ \
|_| \__,_|___/\__|_|_|_| |_|\__, |___/
|___/";
+
+const WATCH_MODE_HELP_MESSAGE: &str = "Commands available to you in watch mode:
+ hint - prints the current exercise's hint
+ clear - clears the screen
+ quit - quits watch mode
+ ! - executes a command, like `!rustc --explain E0381`
+ help - displays this help message
+
+Watch mode automatically re-evaluates the current exercise
+when you edit a file's contents.";
diff --git a/src/project.rs b/src/project.rs
index bcbd7ad..0f56de9 100644
--- a/src/project.rs
+++ b/src/project.rs
@@ -1,99 +1,83 @@
-use glob::glob;
-use serde::{Deserialize, Serialize};
+use anyhow::{Context, Result};
+use serde::Serialize;
use std::env;
-use std::error::Error;
use std::path::PathBuf;
-use std::process::Command;
+use std::process::{Command, Stdio};
+
+use crate::exercise::Exercise;
/// Contains the structure of resulting rust-project.json file
/// and functions to build the data required to create the file
-#[derive(Serialize, Deserialize)]
-pub struct RustAnalyzerProject {
- sysroot_src: String,
- pub crates: Vec,
+#[derive(Serialize)]
+struct RustAnalyzerProject {
+ sysroot_src: PathBuf,
+ crates: Vec,
}
-#[derive(Serialize, Deserialize)]
-pub struct Crate {
- root_module: String,
- edition: String,
- deps: Vec,
- cfg: Vec,
+#[derive(Serialize)]
+struct Crate {
+ root_module: PathBuf,
+ edition: &'static str,
+ // Not used, but required in the JSON file.
+ deps: Vec<()>,
+ // Only `test` is used for all crates.
+ // Therefore, an array is used instead of a `Vec`.
+ cfg: [&'static str; 1],
}
impl RustAnalyzerProject {
- pub fn new() -> RustAnalyzerProject {
- RustAnalyzerProject {
- sysroot_src: String::new(),
- crates: Vec::new(),
- }
- }
+ fn build(exercises: Vec) -> Result {
+ let crates = exercises
+ .into_iter()
+ .map(|exercise| Crate {
+ root_module: exercise.path,
+ edition: "2021",
+ deps: Vec::new(),
+ // This allows rust_analyzer to work inside `#[test]` blocks
+ cfg: ["test"],
+ })
+ .collect();
- /// Write rust-project.json to disk
- pub fn write_to_disk(&self) -> Result<(), std::io::Error> {
- std::fs::write(
- "./rust-project.json",
- serde_json::to_vec(&self).expect("Failed to serialize to JSON"),
- )?;
- Ok(())
- }
-
- /// If path contains .rs extension, add a crate to `rust-project.json`
- fn path_to_json(&mut self, path: PathBuf) -> Result<(), Box> {
- if let Some(ext) = path.extension() {
- if ext == "rs" {
- self.crates.push(Crate {
- root_module: path.display().to_string(),
- edition: "2021".to_string(),
- deps: Vec::new(),
- // This allows rust_analyzer to work inside #[test] blocks
- cfg: vec!["test".to_string()],
- })
- }
- }
-
- Ok(())
- }
-
- /// Parse the exercises folder for .rs files, any matches will create
- /// a new `crate` in rust-project.json which allows rust-analyzer to
- /// treat it like a normal binary
- pub fn exercises_to_json(&mut self) -> Result<(), Box> {
- for path in glob("./exercises/**/*")? {
- self.path_to_json(path?)?;
- }
- Ok(())
- }
-
- /// Use `rustc` to determine the default toolchain
- pub fn get_sysroot_src(&mut self) -> Result<(), Box> {
- // check if RUST_SRC_PATH is set
- if let Ok(path) = env::var("RUST_SRC_PATH") {
- self.sysroot_src = path;
- return Ok(());
+ if let Some(path) = env::var_os("RUST_SRC_PATH") {
+ return Ok(Self {
+ sysroot_src: PathBuf::from(path),
+ crates,
+ });
}
let toolchain = Command::new("rustc")
.arg("--print")
.arg("sysroot")
- .output()?
+ .stderr(Stdio::inherit())
+ .output()
+ .context("Failed to get the sysroot from `rustc`. Do you have `rustc` installed?")?
.stdout;
- let toolchain = String::from_utf8_lossy(&toolchain);
- let mut whitespace_iter = toolchain.split_whitespace();
+ let toolchain =
+ String::from_utf8(toolchain).context("The toolchain path is invalid UTF8")?;
+ let toolchain = toolchain.trim_end();
+ println!("Determined toolchain: {toolchain}\n");
- let toolchain = whitespace_iter.next().unwrap_or(&toolchain);
+ let mut sysroot_src = PathBuf::with_capacity(256);
+ sysroot_src.extend([toolchain, "lib", "rustlib", "src", "rust", "library"]);
- println!("Determined toolchain: {}\n", &toolchain);
-
- self.sysroot_src = (std::path::Path::new(toolchain)
- .join("lib")
- .join("rustlib")
- .join("src")
- .join("rust")
- .join("library")
- .to_string_lossy())
- .to_string();
- Ok(())
+ Ok(Self {
+ sysroot_src,
+ crates,
+ })
}
}
+
+/// Write `rust-project.json` to disk.
+pub fn write_project_json(exercises: Vec) -> Result<()> {
+ let content = RustAnalyzerProject::build(exercises)?;
+
+ // Using the capacity 2^14 since the file length in bytes is higher than 2^13.
+ // The final length is not known exactly because it depends on the user's sysroot path,
+ // the current number of exercises etc.
+ let mut buf = Vec::with_capacity(1 << 14);
+ serde_json::to_writer(&mut buf, &content)?;
+ std::fs::write("rust-project.json", buf)?;
+
+ Ok(())
+}
diff --git a/src/run.rs b/src/run.rs
index e0ada4c..6dd0388 100644
--- a/src/run.rs
+++ b/src/run.rs
@@ -21,7 +21,8 @@ pub fn run(exercise: &Exercise, verbose: bool) -> Result<(), ()> {
// Resets the exercise by stashing the changes.
pub fn reset(exercise: &Exercise) -> Result<(), ()> {
let command = Command::new("git")
- .args(["stash", "--"])
+ .arg("stash")
+ .arg("--")
.arg(&exercise.path)
.spawn();
diff --git a/src/ui.rs b/src/ui.rs
index 1ee4631..d8177b9 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -1,33 +1,28 @@
-macro_rules! warn {
- ($fmt:literal, $ex:expr) => {{
+macro_rules! print_emoji {
+ ($emoji:expr, $sign:expr, $color: ident, $fmt:literal, $ex:expr) => {{
use console::{style, Emoji};
use std::env;
let formatstr = format!($fmt, $ex);
if env::var("NO_EMOJI").is_ok() {
- println!("{} {}", style("!").red(), style(formatstr).red());
+ println!("{} {}", style($sign).$color(), style(formatstr).$color());
} else {
println!(
"{} {}",
- style(Emoji("β οΈ ", "!")).red(),
- style(formatstr).red()
+ style(Emoji($emoji, $sign)).$color(),
+ style(formatstr).$color()
);
}
}};
}
-macro_rules! success {
+macro_rules! warn {
($fmt:literal, $ex:expr) => {{
- use console::{style, Emoji};
- use std::env;
- let formatstr = format!($fmt, $ex);
- if env::var("NO_EMOJI").is_ok() {
- println!("{} {}", style("β").green(), style(formatstr).green());
- } else {
- println!(
- "{} {}",
- style(Emoji("β
", "β")).green(),
- style(formatstr).green()
- );
- }
+ print_emoji!("β οΈ ", "!", red, $fmt, $ex);
+ }};
+}
+
+macro_rules! success {
+ ($fmt:literal, $ex:expr) => {{
+ print_emoji!("β
", "β", green, $fmt, $ex);
}};
}
diff --git a/src/verify.rs b/src/verify.rs
index 8a2ad49..5275bf7 100644
--- a/src/verify.rs
+++ b/src/verify.rs
@@ -24,7 +24,7 @@ pub fn verify<'a>(
.progress_chars("#>-"),
);
bar.set_position(num_done as u64);
- bar.set_message(format!("({:.1} %)", percentage));
+ bar.set_message(format!("({percentage:.1} %)"));
for exercise in exercises {
let compile_result = match exercise.mode {
@@ -37,11 +37,21 @@ pub fn verify<'a>(
}
percentage += 100.0 / total as f32;
bar.inc(1);
- bar.set_message(format!("({:.1} %)", percentage));
+ bar.set_message(format!("({percentage:.1} %)"));
+ if bar.position() == total as u64 {
+ println!(
+ "Progress: You completed {} / {} exercises ({:.1} %).",
+ bar.position(),
+ total,
+ percentage
+ );
+ bar.finish();
+ }
}
Ok(())
}
+#[derive(PartialEq, Eq)]
enum RunMode {
Interactive,
NonInteractive,
@@ -115,7 +125,7 @@ fn compile_and_test(
if verbose {
println!("{}", output.stdout);
}
- if let RunMode::Interactive = run_mode {
+ if run_mode == RunMode::Interactive {
Ok(prompt_for_completion(exercise, None, success_hints))
} else {
Ok(true)
@@ -182,27 +192,25 @@ fn prompt_for_completion(
Mode::Test => "The code is compiling, and the tests pass!",
Mode::Clippy => clippy_success_msg,
};
- println!();
+
if no_emoji {
- println!("~*~ {success_msg} ~*~")
+ println!("\n~*~ {success_msg} ~*~\n");
} else {
- println!("π π {success_msg} π π")
+ println!("\nπ π {success_msg} π π\n");
}
- println!();
if let Some(output) = prompt_output {
- println!("Output:");
- println!("{}", separator());
- println!("{output}");
- println!("{}", separator());
- println!();
+ println!(
+ "Output:\n{separator}\n{output}\n{separator}\n",
+ separator = separator(),
+ );
}
if success_hints {
- println!("Hints:");
- println!("{}", separator());
- println!("{}", exercise.hint);
- println!("{}", separator());
- println!();
+ println!(
+ "Hints:\n{separator}\n{}\n{separator}\n",
+ exercise.hint,
+ separator = separator(),
+ );
}
println!("You can keep working on this exercise,");
@@ -215,14 +223,14 @@ fn prompt_for_completion(
let formatted_line = if context_line.important {
format!("{}", style(context_line.line).bold())
} else {
- context_line.line.to_string()
+ context_line.line
};
println!(
"{:>2} {} {}",
style(context_line.number).blue().bold(),
style("|").blue(),
- formatted_line
+ formatted_line,
);
}