import Std.Char
Functions
is_ascii
is_ascii (c: Char): Bool
is_digit
is_digit (c: Char): Bool
is_alpha
is_alpha (c: Char): Bool
is_alphanumeric
is_alphanumeric (c: Char): Bool
is_whitespace
is_whitespace (c: Char): Bool
to_ascii_lower
to_ascii_lower (c: Char): Char
to_ascii_upper
to_ascii_upper (c: Char): Char
to_digit
to_digit (c: Char): Maybe U8
If this char is a digit in base 10, return the digit as an integer.