nnn

v1.2.2 Stable

Generate your newtypes from a single macro.

WTFPL Edition 2024 MSRV 1.85.0

Data structures Rust patterns #derive#newtype#sanitization#validation#invariant

GitHub ↗ Docs ↗ crates.io ↗ Compare with…

Quick Verdict

✓Stable API (1.x for 1+ years)

Security

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Downloads

7.2K

Dependents

Releases

Size

20KB

Deep Insights

📊

Stable downloads

48 downloads in the last 30 days (2/day). Volume is roughly flat compared to the previous period.

✅

Stable API

Reached 1.0 over a year ago. The API surface is settled, making it safe for production use.

📐

Compact crate

At 19KB, nnn is lightweight. Small crate size correlates with focused, well-scoped functionality.

Health Breakdown

Maintenance 14/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 6/20

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

2/day avg-68%

Version Adoption

v1.1.0

21%

v0.1.2

21%

v0.1.1

20%

v0.0.1

19%

v0.0.2

19%

Release Timeline

12 releasessince 2024

2024

2025

2026

Less

Feature Flags

default =["macros"]

macros*regex_validation

README

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Maintainers

Victor LEFEBVRE

6 crates

Dependencies

direct dependencies