Function numberkit::as_f64d

pub fn as_f64d<S>(text: S, def: f64) -> f64 where
    S: AsRef<OsStr>, 

covert string to f64 with default, will check covert error, if error use default value.

Example

assert_eq!(1.2 as f64, numberkit::as_f64d("a", 1.2 as f64));