diff options
Diffstat (limited to 'absl/base/internal/invoke.h')
| -rw-r--r-- | absl/base/internal/invoke.h | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/absl/base/internal/invoke.h b/absl/base/internal/invoke.h index 1372ef50..030b98df 100644 --- a/absl/base/internal/invoke.h +++ b/absl/base/internal/invoke.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -39,11 +39,13 @@ #include <type_traits> #include <utility> +#include "absl/meta/type_traits.h" + // The following code is internal implementation detail. See the comment at the // top of this file for the API documentation. namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace base_internal { // The five classes below each implement one of the clauses from the definition @@ -68,15 +70,11 @@ struct MemFunAndRef : StrippedAccept<MemFunAndRef> { template <typename... Args> struct AcceptImpl : std::false_type {}; - template <typename R, typename C, typename... Params, typename Obj, - typename... Args> - struct AcceptImpl<R (C::*)(Params...), Obj, Args...> - : std::is_base_of<C, Obj> {}; - - template <typename R, typename C, typename... Params, typename Obj, - typename... Args> - struct AcceptImpl<R (C::*)(Params...) const, Obj, Args...> - : std::is_base_of<C, Obj> {}; + template <typename MemFunType, typename C, typename Obj, typename... Args> + struct AcceptImpl<MemFunType C::*, Obj, Args...> + : std::integral_constant<bool, std::is_base_of<C, Obj>::value && + absl::is_function<MemFunType>::value> { + }; template <typename MemFun, typename Obj, typename... Args> static decltype((std::declval<Obj>().* @@ -93,15 +91,11 @@ struct MemFunAndPtr : StrippedAccept<MemFunAndPtr> { template <typename... Args> struct AcceptImpl : std::false_type {}; - template <typename R, typename C, typename... Params, typename Ptr, - typename... Args> - struct AcceptImpl<R (C::*)(Params...), Ptr, Args...> - : std::integral_constant<bool, !std::is_base_of<C, Ptr>::value> {}; - - template <typename R, typename C, typename... Params, typename Ptr, - typename... Args> - struct AcceptImpl<R (C::*)(Params...) const, Ptr, Args...> - : std::integral_constant<bool, !std::is_base_of<C, Ptr>::value> {}; + template <typename MemFunType, typename C, typename Ptr, typename... Args> + struct AcceptImpl<MemFunType C::*, Ptr, Args...> + : std::integral_constant<bool, !std::is_base_of<C, Ptr>::value && + absl::is_function<MemFunType>::value> { + }; template <typename MemFun, typename Ptr, typename... Args> static decltype(((*std::declval<Ptr>()).* @@ -120,7 +114,9 @@ struct DataMemAndRef : StrippedAccept<DataMemAndRef> { struct AcceptImpl : std::false_type {}; template <typename R, typename C, typename Obj> - struct AcceptImpl<R C::*, Obj> : std::is_base_of<C, Obj> {}; + struct AcceptImpl<R C::*, Obj> + : std::integral_constant<bool, std::is_base_of<C, Obj>::value && + !absl::is_function<R>::value> {}; template <typename DataMem, typename Ref> static decltype(std::declval<Ref>().*std::declval<DataMem>()) Invoke( @@ -137,7 +133,8 @@ struct DataMemAndPtr : StrippedAccept<DataMemAndPtr> { template <typename R, typename C, typename Ptr> struct AcceptImpl<R C::*, Ptr> - : std::integral_constant<bool, !std::is_base_of<C, Ptr>::value> {}; + : std::integral_constant<bool, !std::is_base_of<C, Ptr>::value && + !absl::is_function<R>::value> {}; template <typename DataMem, typename Ptr> static decltype((*std::declval<Ptr>()).*std::declval<DataMem>()) Invoke( @@ -184,7 +181,7 @@ InvokeT<F, Args...> Invoke(F&& f, Args&&... args) { std::forward<Args>(args)...); } } // namespace base_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_BASE_INTERNAL_INVOKE_H_ |