fst
v0.4.7 GrowingUse finite state transducers to compactly represents sets or maps of many strings (> 1 billion is possible).
Quick Verdict
- ✕Not updated for 4+ years
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (2.4K crates depend on it)
- ✓Permissive license (Unlicense/MIT)
Security
Deep Insights
1.3M downloads in the last 30 days (43.3K/day), up 42% from the previous period.
2.4K crates depend on fst. Strong ecosystem adoption means battle-tested code and long-term stability.
The primary maintainer publishes 84 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 10+ years old, fst hasn't reached 1.0 yet. Expect potential API changes between versions.
Notable dependents include unicode-ident, unicode-id-start, levenshtein_automata, rls-analysis, ra_ap_vfs. When high-quality crates choose fst, 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
