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double-map
v0.14.0 GrowingA HashMap with double key to single data/value
Apache-2.0 Edition 2021
Quick Verdict
- ✕Not updated for 3+ years
- !Pre-1.0: API may have breaking changes
- ✓Tiny footprint (30KB, 0 deps)
- ✓Permissive license (Apache-2.0)
Security
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Downloads
20.2K
Dependents
0
Releases
15
Size
30KB
Deep Insights
📈
Strong growth momentum
143 downloads in the last 30 days (5/day), up 101% from the previous period.
🔬
Pre-1.0 for over a year
Despite being 4+ years old, double-map hasn't reached 1.0 yet. Expect potential API changes between versions.
🪶
Zero dependencies
double-map has no external dependencies — minimal supply chain risk and fast compile times.
📐
Compact crate
At 30KB, double-map is lightweight. Small crate size correlates with focused, well-scoped functionality.
Health Breakdown
Maintenance 7/25
Recency, release consistency, active ratio
Quality 16/25
Yanked ratio, deps, size, maturity, features
Community 5/20
Reverse deps, ownership, ecosystem
Popularity 5/15
Downloads, momentum, growth trend
Documentation 10/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
3/day avg+48%
Version Adoption
v0.14.0
36%
v0.10.0
16%
v0.9.0
16%
v0.12.0
16%
v0.11.0
16%
Release Timeline
15 releasessince 2022
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README
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Maintainers
Dependencies
0
direct dependencies
Dependents
0
crates depend on double-map