Skip to content

Removal of exact capacity guarantee for Vec::with_capacity() is a breaking change #99385

Closed
@GoldsteinE

Description

@GoldsteinE

Link #95614
Cc @jmaargh

Location

https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.with_capacity

Summary

Latest stable guarantees that Vec::with_capacity() always allocates exact capacity (and this is indeed the case, since RawVec discards any extra allocated capacity). #96173 removes this guarantee. I believe this to be a breaking change requiring some further investigation.

Metadata

Metadata

Assignees

No one assigned

    Labels

    A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsT-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions