arrayvec
v0.7.8 GrowingA vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and ArrayString.
Quick Verdict
- ✓Actively maintained (updated 11d ago)
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (17.6K crates depend on it)
- ✓Team maintained (2 owners)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
34.3M downloads in the last 30 days (1.1M/day), up 9% from the previous period.
17.6K crates depend on arrayvec — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.
Despite being 11+ years old, arrayvec hasn't reached 1.0 yet. Expect potential API changes between versions.
At 32KB, arrayvec is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include anstyle-parse, icu_normalizer, schemars, csv-core, aead. When high-quality crates choose arrayvec, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on arrayvec
Version Adoption
Release Timeline
Feature Flags
default =["std"]
