once_map
v0.4.24 GrowingSingle assignment and lazy maps
Quick Verdict
- ✓Actively maintained (updated 40d ago)
- !Pre-1.0: API may have breaking changes
- ✓Trusted by 153 crates
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
77.8K downloads in the last 30 days (2.6K/day). Volume is roughly flat compared to the previous period.
153 crates depend on once_map. Reasonable ecosystem adoption, though not yet a core dependency.
Despite being 3+ years old, once_map hasn't reached 1.0 yet. Expect potential API changes between versions.
At 15KB, once_map is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include solar-interface, solar-sema, usc, bones_ecs, weev. When high-quality crates choose once_map, 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
Version Adoption
Release Timeline
Feature Flags
default =["std", "ahash"]
