former_types
v2.42.1 StableA flexible implementation of the Builder pattern supporting nested builders and collection-specific subformers. Its compile-time structures and traits that are not generated but reused.
Quick Verdict
- ✓Actively maintained (updated 13d ago)
- ✓Stable API (2.x for 2+ years)
- ✓Trusted by 150 crates
- ✓Tiny footprint (42KB, 3 deps)
- ✓Permissive license (MIT)
Security
Deep Insights
9.3K downloads in the last 30 days (311/day), up 33% from the previous period.
150 crates depend on former_types. Reasonable ecosystem adoption, though not yet a core dependency.
The primary maintainer publishes 168 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 2 years with 42 releases. This level of maturity means you can depend on it without worrying about breaking changes.
Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 41KB, former_types 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 former_types
Version Adoption
Release Timeline
Feature Flags
default =["enabled", "types_former"]