Function nom8::combinator::map

pub fn map<I, O1, O2, E, F, G>(
    parser: F,
    f: G
) -> impl FnMut(I) -> IResult<I, O2, E>where
    F: Parser<I, O1, E>,
    G: FnMut(O1) -> O2,

👎Deprecated since 8.0.0: Replaced with `Parser::map

Maps a function on the result of a parser.

WARNING: Deprecated, replaced with Parser::map

use nom8::{Err,error::ErrorKind, IResult,Parser};
use nom8::character::digit1;
use nom8::combinator::map;

let mut parser = map(digit1, |s: &str| s.len());

// the parser will count how many characters were returned by digit1
assert_eq!(parser.parse("123456"), Ok(("", 6)));

// this will fail if digit1 fails
assert_eq!(parser.parse("abc"), Err(Err::Error(("abc", ErrorKind::Digit))));