component_model

v0.22.1 Growing

Revolutionary type-safe component assignment for Rust. Build complex objects with zero boilerplate using derive macros and type-driven field setting. Perfect for configuration builders, fluent APIs, and object composition patterns.

MIT Edition 2021

Development tools API bindings Rust patterns Configuration #configuration#type-safe#zero-cost#builder-pattern#fluent-api

GitHub ↗ Docs ↗ crates.io ↗ Compare with…

Quick Verdict

✓Actively maintained (updated 13d ago)
!Pre-1.0: API may have breaking changes
✓Permissive license (MIT)

Security

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Downloads

17.2K

Dependents

Releases

Size

76KB

Deep Insights

📉

Download decline

2.7K downloads in the last 30 days, down 37% from the previous period. May indicate migration to alternatives.

👤

Prolific maintainer

The primary maintainer publishes 168 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

🔬

Pre-1.0 for over a year

Despite being 1+ years old, component_model hasn't reached 1.0 yet. Expect potential API changes between versions.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 10/20

Reverse deps, ownership, ecosystem

Popularity 5/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days

119/day avg-81%

Top Dependents

Most downloaded crates that depend on component_model

willbe

84.6K dl 56

Version Adoption

v0.17.0

61%

v0.21.1

14%

v0.16.0

14%

v0.22.1

v0.20.0

Release Timeline

10 releasessince 2025

2025

2026

Less

Feature Flags

default =["enabled"]

fullno_stdenabled*use_allocderive_componentsderive_component_fromderive_component_modelderive_from_componentstypes_component_assignderive_component_assignderive_components_assign

README

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Maintainers

Wandalen

168 crates

Dependencies

direct dependencies