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Merge pull request #1638 from mo8it/fix-line-numbers

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Avoid line numbers in hints
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liv 2023-08-28 13:38:02 +02:00 committed by GitHub
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1 changed files with 15 additions and 13 deletions
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info.toml
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@ -22,8 +22,8 @@ name = "variables1"
path = "exercises/variables/variables1.rs" path = "exercises/variables/variables1.rs"
mode = "compile" mode = "compile"
hint = """ hint = """
The declaration on line 8 is missing a keyword that is needed in Rust The declaration in the first line in the main function is missing a keyword
to create a new variable binding.""" that is needed in Rust to create a new variable binding."""
[[exercises]] [[exercises]]
name = "variables2" name = "variables2"
@ -32,7 +32,7 @@ mode = "compile"
hint = """ hint = """
The compiler message is saying that Rust cannot infer the type that the The compiler message is saying that Rust cannot infer the type that the
variable binding `x` has with what is given here. variable binding `x` has with what is given here.
What happens if you annotate line 7 with a type annotation? What happens if you annotate the first line in the main function with a type annotation?
What if you give x a value? What if you give x a value?
What if you do both? What if you do both?
What type should x be, anyway? What type should x be, anyway?
@ -44,8 +44,9 @@ path = "exercises/variables/variables3.rs"
mode = "compile" mode = "compile"
hint = """ hint = """
Oops! In this exercise, we have a variable binding that we've created on Oops! In this exercise, we have a variable binding that we've created on
line 7, and we're trying to use it on line 8, but we haven't given it a in the first line in the main function, and we're trying to use it in the next line,
value. We can't print out something that isn't there; try giving x a value! but we haven't given it a value.
We can't print out something that isn't there; try giving x a value!
This is an error that can cause bugs that's very easy to make in any This is an error that can cause bugs that's very easy to make in any
programming language -- thankfully the Rust compiler has caught this for us!""" programming language -- thankfully the Rust compiler has caught this for us!"""
@ -123,8 +124,8 @@ name = "functions4"
path = "exercises/functions/functions4.rs" path = "exercises/functions/functions4.rs"
mode = "compile" mode = "compile"
hint = """ hint = """
The error message points to line 17 and says it expects a type after the The error message points to the function `sale_price` and says it expects a type
`->`. This is where the function's return type should be -- take a look at after the `->`. This is where the function's return type should be -- take a look at
the `is_even` function for an example! the `is_even` function for an example!
Also: Did you figure out that, technically, u32 would be the more fitting type Also: Did you figure out that, technically, u32 would be the more fitting type
@ -285,9 +286,10 @@ name = "move_semantics1"
path = "exercises/move_semantics/move_semantics1.rs" path = "exercises/move_semantics/move_semantics1.rs"
mode = "compile" mode = "compile"
hint = """ hint = """
So you've got the "cannot borrow immutable local variable `vec1` as mutable" error on line 13, So you've got the "cannot borrow immutable local variable `vec1` as mutable" error on the line
right? The fix for this is going to be adding one keyword, and the addition is NOT on line 13 where we push an element to the vector, right?
where the error is. The fix for this is going to be adding one keyword, and the addition is NOT on the line where
we push to the vector (where the error is).
Also: Try accessing `vec0` after having called `fill_vec()`. See what happens!""" Also: Try accessing `vec0` after having called `fill_vec()`. See what happens!"""
@ -445,8 +447,9 @@ path = "exercises/strings/strings2.rs"
mode = "compile" mode = "compile"
hint = """ hint = """
Yes, it would be really easy to fix this by just changing the value bound to `word` to be a Yes, it would be really easy to fix this by just changing the value bound to `word` to be a
string slice instead of a `String`, wouldn't it?? There is a way to add one character to line string slice instead of a `String`, wouldn't it?? There is a way to add one character to the
12, though, that will coerce the `String` into a string slice. line with the function call `is_a_color_word`, though, that will coerce the `String` into a
string slice.
Side note: If you're interested in learning about how this kind of reference conversion works, you can jump ahead in the book and read this part in the smart pointers chapter: https://doc.rust-lang.org/stable/book/ch15-02-deref.html#implicit-deref-coercions-with-functions-and-methods""" Side note: If you're interested in learning about how this kind of reference conversion works, you can jump ahead in the book and read this part in the smart pointers chapter: https://doc.rust-lang.org/stable/book/ch15-02-deref.html#implicit-deref-coercions-with-functions-and-methods"""
@ -825,7 +828,6 @@ To handle that you need to add a special attribute to the test function.
You can refer to the docs: You can refer to the docs:
https://doc.rust-lang.org/stable/book/ch11-01-writing-tests.html#checking-for-panics-with-should_panic""" https://doc.rust-lang.org/stable/book/ch11-01-writing-tests.html#checking-for-panics-with-should_panic"""
# STANDARD LIBRARY TYPES # STANDARD LIBRARY TYPES
[[exercises]] [[exercises]]