Module lexical_util::ascii

source · [−]
Expand description

Utilities for working with ASCII characters.

Functions

is_valid_ascii

Determine if a character is a valid ASCII character for float grammar.

is_valid_ascii_slice

Determine if a slice is all valid ASCII characters for float grammar. Modified to be used in a const fn, since for loops and iter don’t work.

is_valid_letter

Determine if a character is a valid ASCII letter.

is_valid_letter_slice

Determine if a slice is all valid ASCII letters. Modified to be used in a const fn, since for loops and iter don’t work.