Function dart_sys::Dart_IntegerToUint64

pub unsafe extern "C" fn Dart_IntegerToUint64(
    integer: Dart_Handle, 
    value: *mut u64
) -> Dart_Handle

Gets the value of an Integer.

The integer must fit into a 64-bit unsigned integer, otherwise an error occurs.

\param integer An Integer. \param value Returns the value of the Integer.

\return A valid handle if no error occurs during the operation.