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lazy_static

v1.5.0 Growing

A macro for declaring lazily evaluated statics in Rust.

MIT OR Apache-2.0

Quick Verdict

  • Not updated for 1+ year
  • Stable API (1.x for 11+ years)
  • Massive adoption (173.5K crates depend on it)
  • Team maintained (2 owners)
  • Tiny footprint (14KB, 3 deps)

Security

Checking security advisories...
Downloads
754.6M
Dependents
173.5K
Releases
38
Size
14KB

Deep Insights

📈
Strong growth momentum

53.9M downloads in the last 30 days (1.8M/day), up 25% from the previous period.

🏛️
Foundational crate

173.5K crates depend on lazy_static — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

👥
Team maintained

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

Stable for 11+ years

The API has been stable (1.x) for over 11 years with 38 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Minimal dependencies

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

📐
Compact crate

At 14KB, lazy_static is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include tokio-rustls, pkg-config, sharded-slab, vcpkg, clang-sys. When high-quality crates choose lazy_static, it's a strong quality signal.

Health Breakdown

Maintenance 6/25

Recency, release consistency, active ratio

Quality 21/25

Yanked ratio, deps, size, maturity, features

Community 20/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 11/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
1.5M/day avg+33%
0500K1.0M1.5M2.0M2.5M2/263/164/34/215/95/26

Top Dependents

Version Adoption

v1.5.0
53%
v1.4.0
43%
v0.2.11
3%
v1.3.0
1%
v1.2.0
0%

Release Timeline

10 releasessince 2017
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2017
2
2018
4
2019
2
2020
1
2021
2022
2023
2024
1
2025
2026
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Feature Flags

spin_no_std

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
173.5K
crates depend on lazy_static

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