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Pass by ref instead of value

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Philipp Hansch 2018-09-06 08:19:09 +02:00
parent de36d42e80
commit 3bdc691a91
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1 changed files with 2 additions and 2 deletions
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clippy_dev/src/lib.rs
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@ -58,10 +58,10 @@ impl Lint {
} }
pub fn gather_all() -> impl Iterator<Item=Lint> { pub fn gather_all() -> impl Iterator<Item=Lint> {
lint_files().flat_map(gather_from_file) lint_files().flat_map(|f| gather_from_file(&f))
} }
fn gather_from_file(dir_entry: fs::DirEntry) -> impl Iterator<Item=Lint> { fn gather_from_file(dir_entry: &fs::DirEntry) -> impl Iterator<Item=Lint> {
let mut file = fs::File::open(dir_entry.path()).unwrap(); let mut file = fs::File::open(dir_entry.path()).unwrap();
let mut content = String::new(); let mut content = String::new();
file.read_to_string(&mut content).unwrap(); file.read_to_string(&mut content).unwrap();