withFloatCallback function
Implementation
Future<double> withFloatCallback(
Function(Pointer<NativeFunction<Void Function(Float)>>) func) async {
final completer = Completer<double>();
// ignore: prefer_function_declarations_over_variables
void Function(double) callback = (double result) {
completer.complete(result);
};
final nativeCallable =
NativeCallable<Void Function(Float)>.listener(callback);
func.call(nativeCallable.nativeFunction);
await completer.future;
nativeCallable.close();
return completer.future;
}