Function usize_to_i32_res

pub fn usize_to_i32_res(a: usize) -> ParseResultI32

Parse usize to i32

Arguments

• a - Any usize number

Examples

use rustils::parse::int::usize_to_i32_res;
use rustils::error::ParseError::InvalidNumber;

assert_eq!(usize_to_i32_res(0_usize), Ok(0_i32));
assert_eq!(usize_to_i32_res(2147483647_usize), Ok(2147483647_i32));
assert_eq!(usize_to_i32_res(2147483648_usize), Err(InvalidNumber(String::from("2147483648"))));