leveled-hash-map
v1.2.0 StableA structure to separate values into different levels with keys. Every key-value entry which is not at the top level has a parent key at the superior level. Keys at the same level are unique, no matter what parent keys they have.
Quick Verdict
- ✓Actively maintained (updated 4d ago)
- ✓Stable API (1.x for 7+ years)
- ✓Tiny footprint (7KB, 0 deps)
- ✓Permissive license (MIT)
Security
Deep Insights
53 downloads in the last 30 days (2/day), up 5200% from the previous period.
The primary maintainer publishes 120 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 7 years with 16 releases. This level of maturity means you can depend on it without worrying about breaking changes.
leveled-hash-map has no external dependencies — minimal supply chain risk and fast compile times.
At 7KB, leveled-hash-map is lightweight. Small crate size correlates with focused, well-scoped functionality.
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