Function usize_to_i8_res

pub fn usize_to_i8_res(a: usize) -> ParseResultI8

Parse usize to i8

Arguments

• a - Any usize number

Examples

use rustils::parse::byte::usize_to_i8_res;
use rustils::error::ParseError::InvalidNumber;

assert_eq!(usize_to_i8_res(0_usize), Ok(0_i8));
assert_eq!(usize_to_i8_res(127_usize), Ok(127_i8));
assert_eq!(usize_to_i8_res(128_usize), Err(InvalidNumber(String::from("128"))));