Module char_range 

Constants

MAX_1B

Largest 1-byte UTF-8 value.

MAX_2B

Largest packed 2-byte UTF-8 value.

MAX_3B

Largest packed 3-byte UTF-8 value.

MAX_4B

Largest packed 4-byte UTF-8 value.

MIN_2B

Smallest packed 2-byte UTF-8 value.

MIN_3B

Smallest packed 3-byte UTF-8 value.

MIN_4B

Smallest packed 4-byte UTF-8 value.

Functions

add_character_range

Add a [min, max] range of packed UTF-8 codepoints to fsm, splitting the range at byte-length boundaries.

add_same_length_range

Decompose [min, max] of packed UTF-8 values of the same byte length into byte-range edges from state from to state to.

codepoint_to_packed_utf8

Pack a unicode codepoint into the big-endian UTF-8 representation used by add_character_range.