[−][src]Function rustils::parse::long::u64_to_i64_res
pub fn u64_to_i64_res(a: u64) -> ParseResultI64
Arguments
a
- Anyu64
number
Examples
use rustils::parse::long::u64_to_i64_res; use rustils::error::ParseError::InvalidNumber; assert_eq!(u64_to_i64_res(0_u64), Ok(0_i64)); assert_eq!(u64_to_i64_res(9223372036854775807_u64), Ok(9223372036854775807_i64)); assert_eq!( u64_to_i64_res(9223372036854775808_u64), Err(InvalidNumber(String::from("9223372036854775808"))) );