aecsocket

IIUC it's possible to make `alloc` optional, since it's only used in reflect de/serialization. If you feature gate `Reflect(De)Serialize`, and the logic in `TypedReflect(De)Serializer`, it should be possible to get...

Actually, reflection uses a lot of `Box` and `Box`, so `alloc` may be more necessary than I initially thought. In which case, it might be pointless to feature gate it....