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Showing content from https://github.com/rust-lang/rust/issues/134694 below:

Tracking Issue for `normalize_lexically` · Issue #134694 · rust-lang/rust · GitHub

Feature gate: #![feature(normalize_lexically)]

This is a tracking issue for Path::normalize_lexically that is used to normalize a path, including .. parent references, without touching the filesystem.

// std::path

impl Path {
    pub fn normalize_lexically(&self) -> Result<PathBuf, NormalizeError> {
}

• API Change Proposal
• Implementation: Implement normalize_lexically #134696
• Final comment period (FCP)¹
• Stabilization PR

• Should PathBuf have a method that normalizes in-place? Normalizing a path just removes components.
• Should this disallow resolving to the empty path or the single . path.
• Should this only allow paths without a root or prefix? It may be surprising that base_path.join(user_path.normalize_lexically()?) can still escape the base path.

The last two can be summarised as: should this strictly require paths to be sub-paths?

1. https://std-dev-guide.rust-lang.org/feature-lifecycle/stabilization.html ↩

jieyouxu, folkertdev and liubocflt

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