Module skip 

SIMD-accelerated skipping utilities for lexing.

Functions

contains_any

Returns true if any byte in input matches any of needles.

count_matches

Returns the number of bytes in input that match any of needles.

find_last

Returns the index of the last byte in input that matches any of needles, or None if no byte matches.

skip_alpha

Returns the length of the leading ASCII alphabetic prefix.

skip_alphanumeric

Returns the length of the leading ASCII alphanumeric prefix.

skip_ascii

Returns the length of the leading ASCII byte prefix (bytes 0x00..=0x7F).

skip_ascii_control

Returns the length of the leading ASCII control character prefix (0x00..=0x1F and 0x7F).

skip_ascii_graphic

Returns the length of the leading ASCII graphic character prefix (0x21..=0x7E, i.e. printable non-space characters).

skip_binary

Returns the length of the leading ASCII binary-digit prefix (0 or 1).

skip_digits

Returns the length of the leading ASCII decimal-digit prefix (0..=9).

skip_hex_digits

Returns the length of the leading ASCII hexadecimal-digit prefix.

skip_ident

Returns the length of the leading C-style identifier-continuation prefix.

skip_ident_start

Returns the length of the leading C-style identifier-start prefix.

skip_lower

Returns the length of the leading ASCII lowercase prefix (a..=z).

skip_non_ascii

Returns the length of the leading non-ASCII byte prefix (bytes 0x80..=0xFF).

skip_octal_digits

Returns the length of the leading ASCII octal-digit prefix (0..=7).

skip_until

Returns the index of the first byte in input that matches any of needles.

skip_until_newline

Returns the number of bytes before the first \n, or input.len() if there is no newline. Equivalent to skip_until(input, b'\n').unwrap_or(input.len()).

skip_upper

Returns the length of the leading ASCII uppercase prefix (A..=Z).

skip_while

Returns the number of leading bytes in input that match any of needles.

skip_whitespace

Returns the length of the leading ASCII whitespace prefix.