GetCodepointPrevious method
Implementation
(int codepoint, int codepointSize) GetCodepointPrevious(
String text,
) => run(
() => 'GetCodepointPrevious($text)',
() {
final size = refInt1();
final codepoint = rl.Core.GetCodepointPrevious(refStr(text), size);
return (codepoint, size.value);
},
);