Function wrap

lib/api/wasmedge.cpp:317–332

template <typename T, typename U, typename... CxtT>
inline WasmEdge_Result wrap(T &&Proc, U &&Then, CxtT *...Cxts) noexcept {
  if (isContext(Cxts...)) {
    try {
      if (auto Res = Proc()) {
        Then(Res);
        return genWasmEdge_Result(ErrCode::Value::Success);
      } else {
        return genWasmEdge_Result(Res.error());
      }
    } catch (...) {
      return handleCAPIError();
    }
  } else {
    return genWasmEdge_Result(ErrCode::Value::WrongVMWorkflow);
  }
}

// Helper function for retrieving exported maps.
template <typename T>