std::transmute

[VonTum]

We need a builtin module to transmute any type T to a bit vector of size sizeof #(T)

This signature:

__builtin__ module transmute #(T1, T2) {
  assert #(C: sizeof #(T: T1) == sizeof #(T: T2))
  interface transmute : T1 v1 -> T2 v2
}