Marwes/combine

Health v2 · maintenance only

Adoption not part of the score

1369 stars · 100 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A parser combinator library for Rust, inspired by Haskell's Parsec and attoparsec. It builds LL(1) parsers (with opt-in lookahead via attempt) that work on arbitrary streams with zero-copy and partial/resumable parsing support.

Use cases

• parse custom text formats in Rust
• build a DSL parser with combinators
• parse binary data from byte slices without copying
• incrementally parse data from a socket or stream
• write a tokenizer or config file parser
• parse protocols over async IO with tokio

When to choose

• you want composable, declarative parsers in Rust
• you need zero-copy or partial/streaming parsing
• your grammar is mostly LL(1) with limited lookahead needs

When to avoid

• you need a full LR/GLR parser generator for ambiguous grammars
• you prefer a grammar-file based tool like nom alternatives or lalrpop
• you need maximum ecosystem momentum around newer parser crates

Facets

library · maturity maintenance

parser parsers programming-languages developer-tools rust parser-combinators zero-copy ll-parsing parsec-inspired streaming-parsing

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