rustils::parse::int

Function u32_to_i32_res

Source 
pub fn u32_to_i32_res(a: u32) -> ParseResultI32
Expand description

Parse u32 to i32

§Arguments

  • a - Any u32 number

§Examples

use rustils::parse::int::u32_to_i32_res;
use rustils::error::ParseError::InvalidNumber;

assert_eq!(u32_to_i32_res(0_u32), Ok(0_i32));
assert_eq!(u32_to_i32_res(2147483647_u32), Ok(2147483647_i32));
assert_eq!(u32_to_i32_res(2147483648_u32), Err(InvalidNumber(String::from("2147483648"))));