Function numberkit::as_i8d

pub fn as_i8d<S>(text: S, def: i8) -> i8 where
    S: AsRef<OsStr>, 

covert string to i8 with default, will check covert error, if error use default value.

Example

assert_eq!(-1 as i8, numberkit::as_i8d("a", -1 as i8));