peg 0.8.6

A simple Parsing Expression Grammar (PEG) parser generator.
Documentation 
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peg::parser! {
    pub grammar foo_parser() for str {
        use super::types::Foo;

        pub rule foo() -> Foo
            = "foo" { Foo }
    }
}

mod types {
    #[derive(PartialEq, Debug)]
    pub struct Foo;
}

#[test]
fn main() {
    assert_eq!(foo_parser::foo("foo"), Ok(types::Foo));
}