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fixed-map

v0.9.5 Growing

A fixed map where storage layout is calculated by a procedural macro.

MIT OR Apache-2.0 Edition 2021 MSRV 1.72
Data structures #data-structure#container#map#no_std

Quick Verdict

  • โœ•Not updated for 2+ years
  • !Pre-1.0: API may have breaking changes
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
670.3K
Dependents
15
Releases
27
Size
44KB

Deep Insights

๐Ÿ“Š
Steady growth

180.6K downloads in the last 30 days (6.0K/day), up 10% from the previous period.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 136 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 7+ years old, fixed-map hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 43KB, fixed-map is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include ontv, backgammon-simd, fuzzy-expert, mister-fpga. When high-quality crates choose fixed-map, it's a strong quality signal.

Health Breakdown

Maintenance 6/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 8/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
5K/day avg+28%
02K4K6K8K10K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.9.5
98%
v0.8.2
1%
v0.9.3
1%
v0.9.2
0%
v0.8.1
0%

Release Timeline

10 releasessince 2022
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2023
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2024
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2025
2026
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Feature Flags

default =["hashbrown", "std"]

std*

README

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Maintainers

Dependencies
5
direct dependencies
Dependents
15
crates depend on fixed-map

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