Macro dynparser::lit

macro_rules! lit {
    ($e:expr) => { ... };
}

Create a literal

example

#[macro_use]  extern crate dynparser;
use dynparser::parse;

fn main() {
    let rules = rules!{
       "main"   =>  lit!("aa")
    };

    assert!(parse("aa", &rules).is_ok())
}