duplicate
v2.0.1 GrowingProvides macros for duplication of code with variable substitution.
Quick Verdict
- ✓Stable API (2.x for 5+ years)
- ✓Massive adoption (1.1K crates depend on it)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
1.2M downloads in the last 30 days (39.7K/day), up 17% from the previous period.
1.1K crates depend on duplicate. Strong ecosystem adoption means battle-tested code and long-term stability.
duplicate has only 1 owner despite 1.1K dependents. This is a bus-factor concern — consider the implications for long-term support.
The API has been stable (1.x) for over 5 years with 24 releases. This level of maturity means you can depend on it without worrying about breaking changes.
At 48KB, duplicate is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include egui_dock, bonsai-sdk, libdd-trace-normalization, ascent_macro, struson. When high-quality crates choose duplicate, 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 =["pretty_errors", "module_disambiguation"]
