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facet

v0.46.4 Growing

Reflection for Rust: introspect types at compile time with metadata for serialization, pretty-printing, CLIs, and more

MIT OR Apache-2.0 Edition 2024 MSRV 1.90
Development toolsEncodingRust patterns #serialization#reflection#metadata#derive#introspection

Quick Verdict

  • โœ“Actively maintained (updated 6d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.4K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
356.5K
Dependents
1.4K
Releases
109
Size
157KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

83.5K downloads in the last 30 days (2.8K/day), up 33% from the previous period.

๐Ÿ”—
Widely adopted

1.4K crates depend on facet. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 442 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

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

๐ŸŒŸ
Used by top crates

Notable dependents include crux_core, crux_macros, crux_http, http-types-red-badger-temporary-fork, graphannis. When high-quality crates choose facet, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
2K/day avg+89%
01K2K3K4K5K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.44.3
38%
v0.46.0
36%
v0.44.5
12%
v0.46.2
11%
v0.44.2
3%

Release Timeline

10 releasessince 2026
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Feature Flags

default =["std", "helpful-derive", "doc"]

doc*netstd*urlsimdtimeuliduuidyokeallocbytesiddqdruintcaminochronofn-ptrjiff02semvernonzeroreflecttendrilfunctionindexmaplock_apismallvecsmol_strtestfeatall-implstuples-12bytestringslow-testsauto-traitscompact_strnum-complexsmartstringrust_decimalordered-floathelpful-derive*

README

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Maintainers

Dependencies
8
direct dependencies
Dependents
1.4K
crates depend on facet

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