Nemeski@lemm.ee to Rust@programming.dev · 2 months agoAnnouncing Rust 1.81.0blog.rust-lang.orgexternal-linkmessage-square3fedilinkarrow-up170arrow-down10
arrow-up170arrow-down1external-linkAnnouncing Rust 1.81.0blog.rust-lang.orgNemeski@lemm.ee to Rust@programming.dev · 2 months agomessage-square3fedilink
minus-squaresnaggen@programming.devlinkfedilinkarrow-up7·2 months agofs::exists() was a nice little improvement that I didn’t know about until I read this announcement.
minus-squareDeebster@programming.devlinkfedilinkEnglisharrow-up3·edit-22 months agoIt’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)
fs::exists() was a nice little improvement that I didn’t know about until I read this announcement.
It’s a subtle difference between that and
path::exists().path::exists()==falsemight 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)