setUnicodeExtension method
Set a Unicode extension.
See the Rust documentation for extensions
for more information.
Implementation
bool setUnicodeExtension(String k, String v) {
final temp = _FinalizedArena();
final result = _icu4x_Locale_set_unicode_extension_mv1(_ffi, k._utf8AllocIn(temp.arena), v._utf8AllocIn(temp.arena));
return result.isOk;
}