pub fn isdigit<D: Dimension>(a: &StringArray<D>) -> FerrayResult<Array<bool, D>>Expand description
Return true where every character is a digit and the string is
non-empty. Matches numpy.strings.isdigit.
pub fn isdigit<D: Dimension>(a: &StringArray<D>) -> FerrayResult<Array<bool, D>>Return true where every character is a digit and the string is
non-empty. Matches numpy.strings.isdigit.