physical_constants
v0.5.0 GrowingCODATA recommended values of physical constants
Quick Verdict
- ✕Not updated for 3+ years
- !Pre-1.0: API may have breaking changes
- ✓Trusted by 126 crates
- ✓Tiny footprint (23KB, 1 deps)
Security
Deep Insights
1.2K downloads in the last 30 days (41/day). Volume is roughly flat compared to the previous period.
126 crates depend on physical_constants. Reasonable ecosystem adoption, though not yet a core dependency.
Despite being 9+ years old, physical_constants hasn't reached 1.0 yet. Expect potential API changes between versions.
Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 23KB, physical_constants is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include pyref-core, mcrt, interatomic, tline, gemphy. When high-quality crates choose physical_constants, 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 physical_constants
