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- #pragma once
- namespace c10 {
- namespace detail {
- template <class... Ts>
- struct overloaded_t {};
- template <class T0>
- struct overloaded_t<T0> : T0 {
- using T0::operator();
- overloaded_t(T0 t0) : T0(std::move(t0)) {}
- };
- template <class T0, class... Ts>
- struct overloaded_t<T0, Ts...> : T0, overloaded_t<Ts...> {
- using T0::operator();
- using overloaded_t<Ts...>::operator();
- overloaded_t(T0 t0, Ts... ts)
- : T0(std::move(t0)), overloaded_t<Ts...>(std::move(ts)...) {}
- };
- } // namespace detail
- // Construct an overloaded callable combining multiple callables, e.g. lambdas
- template <class... Ts>
- detail::overloaded_t<Ts...> overloaded(Ts... ts) {
- return {std::move(ts)...};
- }
- } // namespace c10
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