ref_filter_map
v1.0.1 GrowingLike `std::cell::{Ref,RefMut}::map`, but for optional components.
Quick Verdict
- ✕Not updated for 10+ years
- ✓Stable API (1.x for 10+ years)
- ✓Tiny footprint (2KB, 0 deps)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
5.9K downloads in the last 30 days (195/day), up 428% from the previous period.
The primary maintainer publishes 117 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 10 years with 2 releases. This level of maturity means you can depend on it without worrying about breaking changes.
ref_filter_map has no external dependencies — minimal supply chain risk and fast compile times.
At 2KB, ref_filter_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
Download Trend
Top Dependents
Most downloaded crates that depend on ref_filter_map
