swiftlet 0.2.1

swiftlet is a high-performance text-parsing library for Rust, inspired by Python’s Lark.
Documentation 
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use std::sync::Arc;
use swiftlet::{ParserConfig, Swiftlet};

fn main() {
    let grammar = r#"
    start: (hello | namaster) world
    hello: "Hello"
    namaster: "Namaste"
    world: "World"
    "#;

    let texts = ["HelloWorld", "NamasteWorld"];

    let conf = Arc::new(ParserConfig::default());
    let parser = Swiftlet::from_str(grammar)
        .map(|grammar| grammar.parser(conf))
        .expect("failed to build parser");
    for text in texts {
        match parser.parse(&text) {
            Ok(ast) => {
                ast.print()
                // Output: Tree("start", [Tree("hello", ["hello"]), Tree("world", ["world"])])
            }
            Err(err) => eprintln!("{}", err),
        }
    }
}