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61

maybe-once

v0.18.0 Growing

A singleton. Maybe.

MIT Edition 2024 MSRV 1.85.0
AsynchronousConcurrency #lazy#singleton#async#once#tokio

Quick Verdict

  • βœ“Actively maintained (updated 11d ago)
  • !Pre-1.0: API may have breaking changes
  • βœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
7.7K
Dependents
45
Releases
7
Size
11KB

Deep Insights

πŸ“ˆ
Strong growth momentum

609 downloads in the last 30 days (20/day), up 40% from the previous period.

πŸ‘€
Prolific maintainer

The primary maintainer publishes 106 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

πŸ”¬
Pre-1.0 for over a year

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

πŸ“
Compact crate

At 11KB, maybe-once is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include lightspeed_auth, c3p0, lightspeed_file_store, lightspeed_test_utils. When high-quality crates choose maybe-once, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 11/20

Reverse deps, ownership, ecosystem

Popularity 5/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads Β· last 90 days
0/day avg
04/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.17.4
69%
v0.17.1
8%
v0.17.2
8%
v0.17.3
8%
v0.16.1
8%

Release Timeline

7 releasessince 2025
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Feature Flags

tokio

README

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Maintainers

Dependencies
5
direct dependencies
Dependents
45
crates depend on maybe-once

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