ctor
v1.0.6 StableGlobal, no_std-compatible constructors for all platforms that run before main (like C/C++ __attribute__((constructor)))
Quick Verdict
- ✓Actively maintained (updated 9d ago)
- ✓Stable API (1.x for 7+ years)
- ✓Massive adoption (14.2K crates depend on it)
- ✓Permissive license (Apache-2.0 OR MIT)
Security
Deep Insights
11.5M downloads in the last 30 days (384.5K/day), up 27% from the previous period.
14.2K crates depend on ctor — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
ctor has only 1 owner despite 14.2K dependents. This is a bus-factor concern — consider the implications for long-term support.
The API has been stable (1.x) for over 7 years with 72 releases. This level of maturity means you can depend on it without worrying about breaking changes.
At 47KB, ctor is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include napi, napi-derive, datafusion, datafusion-expr, datafusion-optimizer. When high-quality crates choose ctor, 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
Version Adoption
Release Timeline
Feature Flags
default =["std", "proc_macro", "priority"]
