Add retain_mut crate#4
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Std 1.61 stabilized Vec::retain_mut and VecDeque::retain_mut, replacing the retain_mut crate.
upsuper
approved these changes
Jun 15, 2026
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This adds the
retain_mutcrate, which at the time it originally came out providedVec::retain_mutandVecDeque::retain_mutAPIs. As the description of the latest version says, these APIs have since been merged into the standard library, replacing the need for this crate.Cc @upsuper for approval.
For context, if this gets merged, then users will see a banner similar to this one when lookin at
retain_muton crates.io: