Function dart_sys::Dart_GetNativeDoubleArgument

pub unsafe extern "C" fn Dart_GetNativeDoubleArgument(
    args: Dart_NativeArguments,
    index: c_int,
    value: *mut f64
) -> Dart_Handle

Gets a double native argument at some index. \param args Native arguments structure. \param index Index of the desired argument in the structure above. \param value Returns the double value if the argument is a double. \return Success if no error occurs. Otherwise returns an error handle.