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Add comment on WalkDir vs. fs::read_dir

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Philipp Hansch 2018-10-15 21:10:22 +02:00
parent b61ca63c5e
commit b5dd8f17d1
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clippy_dev/src/lib.rs
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@ -93,6 +93,8 @@ fn parse_contents(content: &str, filename: &str) -> impl Iterator<Item=Lint> {
/// Collects all .rs files in the `clippy_lints/src` directory /// Collects all .rs files in the `clippy_lints/src` directory
fn lint_files() -> impl Iterator<Item=walkdir::DirEntry> { fn lint_files() -> impl Iterator<Item=walkdir::DirEntry> {
// We use `WalkDir` instead of `fs::read_dir` here in order to recurse into subdirectories.
// Otherwise we would not collect all the lints, for example in `clippy_lints/src/methods/`.
WalkDir::new("../clippy_lints/src") WalkDir::new("../clippy_lints/src")
.into_iter() .into_iter()
.filter_map(|f| f.ok()) .filter_map(|f| f.ok())