Function create_buffer_source_with_length

fn create_buffer_source_with_length<T>(
    cx: JSContext,
    len: usize,
    dest: MutableHandleObject<'_>,
    _can_gc: CanGc,
) -> Result<TypedArray<T, *mut JSObject>, ()>
where
    T: TypedArrayElement + TypedArrayElementCreator,