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ordered_hash_map

v0.6.0 Growing

HashMap which preserves insertion order

BSD-2-Clause Edition 2021 MSRV 1.71.0
Data structuresNo standard library #no_std#data_structures#ordered_hash_map#linked_hash_map#ordered_hash_set

Quick Verdict

  • โœ“Actively maintained (updated 21d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Tiny footprint (23KB, 2 deps)

Security

Checking security advisories...
Downloads
3.7M
Dependents
81
Releases
7
Size
23KB

Deep Insights

๐Ÿ“‰
Download decline

268.6K downloads in the last 30 days, down 27% from the previous period. May indicate migration to alternatives.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 3+ years old, ordered_hash_map hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 23KB, ordered_hash_map is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include epub-parser, evicting_cache_map, routee-compass, toml_pretty, faf-replay-parser. When high-quality crates choose ordered_hash_map, it's a strong quality signal.

Health Breakdown

Maintenance 15/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 11/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
9K/day avg+56%
05K10K15K20K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.4.0
91%
v0.5.0
9%
v0.2.0
0%
v0.3.1
0%
v0.1.0
0%

Release Timeline

7 releasessince 2023
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2026
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README

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Maintainers

Dependencies
2
direct dependencies
Dependents
81
crates depend on ordered_hash_map

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