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crates.io · #3706 most downloaded on crates.io
A simple Command Line Argument Parser with parser combinators
Last release 21 days ago
17 Sep 2026
Release timing varies
gaps range from 2 weeks to 8 months
Nearly every release is documented
notes for 59 of the last 60 stable releases
1 version withdrawn
withdrawn after publishing
5 years old
70 releases · first in 2022
One column per quarter.
lower minimum supported rustc version to 1.56
Nothing published for this version
support for or_else construct!([alt1, alt2, alt3])
Nothing published for this version
Nothing published for this version
cargo_helper, hide + cosmetic bugfixes
parsers produced by functions inside construct!() macro
renamed Parser::help to Parser::group_help to reduce confusion
publish API for users to write tests for parsers
### First public release
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