[−][src]Function rustils::parse::int::usize_to_i32_res
pub fn usize_to_i32_res(a: usize) -> ParseResultI32
Arguments
a
- Anyusize
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"))));