Function parse_int::parse

pub fn parse<T: Num>(input: &str) -> Result<T, T::FromStrRadixErr>

Parse &str with common prefixes to integer values

use parse_int::parse;
 
let d = parse::<usize>("42")?;
assert_eq!(42, d);
 
let d = parse::<isize>("0x42")?;
assert_eq!(66, d);
 
let d = parse::<u8>("042")?;
assert_eq!(34, d);