Function parse 

pub fn parse(input: &str) -> Result<Grammar, ParseError<usize, Token<'_>, &str>>

Parse the given string as LBNF grammar. Returns Grammar if the provided grammar is valid.

Errors

Will return Err if the provided grammar fails to parse.

Examples

use lbnf::parse;

let grammar = r#"
   EAdd.  Exp ::= Exp "+" Exp ;
   EInt.  Exp ::= Integer     ;
"#;
assert!(parse(grammar).is_ok());