3 ms·

But it wouldn’t require a heap allocation.

• lmm 9y ago
  Where is the proxy implementation going to go if not the heap?
  • GolDDranks 9y ago
    The proxy object would have statically known size (maximum of the size of the types it dispatches between, plus some metadata such as a vtable pointer or an enum discriminant). Now, because you know the size statically, you can store it in the stack.