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memmap

v0.7.0 Growing

Cross-platform Rust API for memory-mapped file IO

MIT/Apache-2.0
#file#io#mmap#memory-map

Quick Verdict

  • โœ•Not updated for 7+ years
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (4.3K crates depend on it)
  • โœ“Tiny footprint (15KB, 3 deps)
  • โœ“Permissive license (MIT/Apache-2.0)

Security

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Downloads
31.5M
Dependents
4.3K
Releases
14
Size
15KB

Deep Insights

๐Ÿ“Š
Stable downloads

1.2M downloads in the last 30 days (40.0K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

4.3K crates depend on memmap. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 10+ years old, memmap hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

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

๐Ÿ“
Compact crate

At 15KB, memmap is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include fst, kiddo, jetscii, wayland-window, wayland-kbd. When high-quality crates choose memmap, it's a strong quality signal.

Health Breakdown

Maintenance 5/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 11/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
40K/day avg-3%
050K100K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.7.0
93%
v0.6.2
5%
v0.2.3
1%
v0.4.0
1%
v0.5.2
1%

Release Timeline

14 releasessince 2015
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README

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Maintainers

Dependencies
3
direct dependencies
Dependents
4.3K
crates depend on memmap

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