peg
v0.8.5 GrowingA simple Parsing Expression Grammar (PEG) parser generator.
Quick Verdict
- ✕Not updated for 1+ year
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (1.8K crates depend on it)
- ✓Permissive license (MIT)
Security
Deep Insights
1.7M downloads in the last 30 days (56.1K/day). Volume is roughly flat compared to the previous period.
1.8K crates depend on peg. Strong ecosystem adoption means battle-tested code and long-term stability.
peg has only 1 owner despite 1.8K dependents. This is a bus-factor concern — consider the implications for long-term support.
Despite being 11+ years old, peg hasn't reached 1.0 yet. Expect potential API changes between versions.
At 22KB, peg is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include codespan-reporting, gherkin, tendermint-rpc, ply-rs, libcst. When high-quality crates choose peg, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Version Adoption
Release Timeline
Feature Flags
default =["std"]
