Changeset 8830faa in mainline

Timestamp:

2018-07-05T21:41:22Z (7 years ago)

Author:

Dzejrou <dzejrou@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2cb7f53

Parents:

89bc6460

git-author:

Dzejrou <dzejrou@…> (2018-04-29 20:21:15)

git-committer:

Dzejrou <dzejrou@…> (2018-07-05 21:41:22)

Message:

cpp: added a way to check if a functor is transparent

File:

• uspace/lib/cpp/include/impl/functional.hpp (modified) (1 diff)

uspace/lib/cpp/include/impl/functional.hpp

@@ -260 +260 @@
          */
         struct transparent_t;
+
+        template<class T, class = void>
+        struct is_transparent: false_type
+        { /* DUMMY BODY */ };
+
+        template<class T>
+        struct is_transparent<T, void_t<typename T::is_transparent>>
+            : true_type
+        { /* DUMMY BODY */ };
+
+        template<class T>
+        inline constexpr bool is_transparent_v = is_transparent<T>::value;
     }