clear method
void
clear()
Implementation
void clear() {
using((arena) {
Pointer<Pointer<Void>> ptrArgArray = nullptr;
void Function(GDExtensionTypePtr, Pointer<GDExtensionConstTypePtr>,
GDExtensionTypePtr, int) m = _bindings.methodClear!.asFunction();
m(nativePtr.cast(), ptrArgArray, nullptr.cast(), 0);
});
}