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Chore: add comments to explicitly express two-step check

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See https://github.com/rust-analyzer/rust-analyzer/pull/9836#discussion_r685953381
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Basti Ortiz 2021-08-10 22:30:08 +08:00
parent ae1288eeed
commit 0e480a6e9c
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1 changed files with 3 additions and 0 deletions
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crates/vfs/src/loader.rs
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@ -136,10 +136,13 @@ pub fn contains_dir(&self, path: &AbsPath) -> bool {
impl Directories { impl Directories {
/// Returns `true` if `path` is included in `self`. /// Returns `true` if `path` is included in `self`.
pub fn contains_file(&self, path: &AbsPath) -> bool { pub fn contains_file(&self, path: &AbsPath) -> bool {
// First, check the file extension...
let ext = path.extension().unwrap_or_default(); let ext = path.extension().unwrap_or_default();
if self.extensions.iter().all(|it| it.as_str() != ext) { if self.extensions.iter().all(|it| it.as_str() != ext) {
return false; return false;
} }
// Then, check for path inclusion...
self.includes_path(path) self.includes_path(path)
} }