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Announcing Rust 1.81.0 (blog.rust-lang.org)
submitted 2 months ago by [email protected] to c/rust
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[โ€“] snaggen 8 points 2 months ago (1 children)

fs::exists() was a nice little improvement that I didn't know about until I read this announcement.

[โ€“] Deebster 3 points 2 months ago* (last edited 2 months ago)

It's a subtle difference between that and path::exists().

  • path::exists() == false might just mean you can't use it (if path::exists() cannot access a file due to e.g. permissions, it'll return false)
  • fs::exists() == Ok(false) means it's definitely not there (permissions error will cause an Err to be returned)