Function isotope::parser::u64_dec[][src]

pub fn u64_dec(input: &str) -> IResult<&str, u64>
Expand description

Parse a decimal integer literal as a u64.

Examples

assert_eq!(u64_dec("5"), Ok(("", 5)));
// Does not recognize hexadecimal literals, etc!
assert_eq!(u64_dec("0x5"), Ok(("x5", 0)));
// Overflow!
assert!(u64_dec("100000000000000000000").is_err());