substring_codepoint
String.substring_codepoint
create substring of this string consisting of codepoints from (inclusive) .. codepoint_count (exclusive).
Precondition
pre debug : 0 ≤ from (debug 2): from ≤ codepoint_count
Arguments
0.099dev (GIT hash bf4ead724d7f3fdab43a87b63c17477c916c8995)