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 a35e75388cc5c7a861f5c2a3f42d121e3aab582a)