Function isContext

lib/api/wasmedge.cpp:295–297

// Helper template to run and return result.
auto EmptyThen = [](auto &&) noexcept {};
template <typename T> inline bool isContext(T *Cxt) noexcept {
  return (Cxt != nullptr);
}
template <typename T, typename... Args>
inline bool isContext(T *Cxt, Args *...Cxts) noexcept {
  return isContext(Cxt) && isContext(Cxts...);