pub fn string_to_i32_res(a: String) -> ParseResultI32
Parse String
to
i32
use rustils::parse::int::string_to_i32_res;
use rustils::error::ParseError::InvalidNumber;
assert_eq!(string_to_i32_res("-2147483648".to_string()), Ok(-2147483648_i32));
assert_eq!(string_to_i32_res("2147483647".to_string()), Ok(2147483647_i32));
assert_eq!(
string_to_i32_res("-2147483649".to_string()),
Err(InvalidNumber(String::from("-2147483649")))
);
assert_eq!(
string_to_i32_res("2147483648".to_string()),
Err(InvalidNumber(String::from("2147483648")))
);