Module grapheme 

Unicode grapheme cluster boundaries.

https://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries

Structs

Graphemes

Functions

ceil_char_boundary

ceil_grapheme_boundary

floor_char_boundary

floor_grapheme_boundary

is_char_boundary

is_grapheme_boundary

is_grapheme_start

next_grapheme_boundary

prev_grapheme_boundary