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span-lang
v0.4.0 ExperimentalSource positions, spans, and byte-to-line/col mapping for language tooling.
Apache-2.0 OR MIT Edition 2024 MSRV 1.85
Quick Verdict
- ✓Actively maintained (updated 23d ago)
- !Pre-1.0: API may have breaking changes
- ✓Permissive license (Apache-2.0 OR MIT)
Security
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Downloads
213
Dependents
11
Releases
4
Size
62KB
Deep Insights
📊
Download activity
214 downloads in the last 30 days (7/day avg).
👤
Prolific maintainer
The primary maintainer publishes 109 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
🌟
Used by top crates
Notable dependents include source-lang, diag-lang, token-lang, lexer-lang, ast-lang. When high-quality crates choose span-lang, it's a strong quality signal.
Health Breakdown
Maintenance 18/25
Recency, release consistency, active ratio
Quality 15/25
Yanked ratio, deps, size, maturity, features
Community 9/20
Reverse deps, ownership, ecosystem
Popularity 3/15
Downloads, momentum, growth trend
Documentation 15/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg
Top Dependents
Most downloaded crates that depend on span-lang
Version Adoption
v0.4.0
81%
v0.2.0
7%
v0.1.0
6%
v0.3.0
6%
Release Timeline
4 releasessince 2026
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LessMore
Feature Flags
default =["std"]
std*serde
README
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Maintainers
Dependencies
5
direct dependencies
Dependents
11
crates depend on span-lang