notohh/rustlings
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Avoid allocations on every call to Path::join

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This commit is contained in:
mo8it 2024-03-25 03:59:21 +01:00
parent 51712cc19f
commit d095a307dd
1 changed files with 4 additions and 10 deletions
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14
src/project.rs
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@ -3,7 +3,7 @@ use glob::glob;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use std::env; use std::env;
use std::error::Error; use std::error::Error;
use std::path::{Path, PathBuf}; use std::path::PathBuf;
use std::process::Command; use std::process::Command;
/// Contains the structure of resulting rust-project.json file /// Contains the structure of resulting rust-project.json file
@ -45,15 +45,9 @@ impl RustAnalyzerProject {
println!("Determined toolchain: {toolchain}\n"); println!("Determined toolchain: {toolchain}\n");
let Ok(sysroot_src) = Path::new(toolchain) let mut sysroot_src = PathBuf::with_capacity(256);
.join("lib") sysroot_src.extend([toolchain, "lib", "rustlib", "src", "rust", "library"]);
.join("rustlib") let Ok(sysroot_src) = sysroot_src.into_os_string().into_string() else {
.join("src")
.join("rust")
.join("library")
.into_os_string()
.into_string()
else {
bail!("The sysroot path is invalid UTF8"); bail!("The sysroot path is invalid UTF8");
}; };