mozilla/thin-vec

A Vec That Has a Smaller size_of

Rust

177

213 commits

updated Sep 16, 2026

See the code

README

thin-vec

ThinVec is a Vec that stores its length and capacity inline, making it take up less space.

Currently this crate mostly exists to facilitate Gecko (Firefox) FFI, but it works perfectly fine as a native Rust library as well.

Contributors

(top 30 of 34)

82 commits

22 commits

21 commits

18 commits

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mozilla/thin-vec

A Vec That Has a Smaller size_of

Rust

177

213 commits

updated Sep 16, 2026

See the code

README

thin-vec

ThinVec is a Vec that stores its length and capacity inline, making it take up less space.

Currently this crate mostly exists to facilitate Gecko (Firefox) FFI, but it works perfectly fine as a native Rust library as well.

Similar repos

Gankra/thin-vec

A Vec That Has a Smaller size_of

177

servo/rust-smallvec

"Small vector" optimization for Rust: store up to a small number of items on the stack

1,737

backtracking/vector

fjall-rs/byteview

Thin immutable zero-copy byte slice

typst/ecow

Compact, clone-on-write vector and string.

320

servo/heapsize

In support of measuring heap allocations in Rust programs.

103

slightlyoutofphase/staticvec

Implements a fixed-capacity stack-allocated Vec alternative backed by an array, using const…

264

serde-rs/bytes

Wrapper types to enable optimized handling of &[u8] and Vec<u8>

384

Contributors

(top 30 of 34)

82 commits

22 commits

21 commits

18 commits

Languages

Rust

100.0%