[−][src]Function rustils::parse::long::usize_to_i64_res

pub fn usize_to_i64_res(a: usize) -> ParseResultI64

Parse usize to i64

Arguments

a - Any usize number

Examples

use rustils::parse::long::usize_to_i64_res;
use rustils::error::ParseError::InvalidNumber;

assert_eq!(usize_to_i64_res(0_usize), Ok(0_i64));
assert_eq!(usize_to_i64_res(9223372036854775807_usize), Ok(9223372036854775807_i64));
assert_eq!(
    usize_to_i64_res(9223372036854775808_usize),
    Err(InvalidNumber(String::from("9223372036854775808")))
);