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Updated by-chapter chart with weekly test results. Also did some prototyping on result_of, but if-def'd out the prototyped part (which the LWG may or may not accept)

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111389 91177308-0d34-0410-b5e6-96231b3b80d8
Howard Hinnant 15 年之前
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4a23e1e060
共有 3 个文件被更改,包括 66 次插入1 次删除
  1. 65 0
      include/type_traits
  2. 1 1
      test/utilities/meta/meta.trans/meta.trans.other/result_of.pass.cpp
  3. 二进制
      www/libcxx_by_chapter.pdf

+ 65 - 0
include/type_traits

@@ -1321,6 +1321,71 @@ public:
     typedef decltype(declval<_Fn>()(declval<_ArgTypes>()...)) type;
     typedef decltype(declval<_Fn>()(declval<_ArgTypes>()...)) type;
 };
 };
 
 
+#if 0
+
+template <class _MP, class _Tp, class ..._Args>
+struct __result_of_mp;
+
+// member function pointer
+
+template <class _R, class _Class, class _Tp, class ..._Params, class ..._Args>
+struct __result_of_mp<_R (_Class::*)(_Params...), _Tp, _Args...>
+{
+    typedef _R type;
+};
+
+template <class _R, class _Class, class _Tp, class ..._Params, class ..._Args>
+struct __result_of_mp<_R (_Class::*)(_Params...) const, _Tp, _Args...>
+{
+    typedef _R type;
+};
+
+template <class _R, class _Class, class _Tp, class ..._Params, class ..._Args>
+struct __result_of_mp<_R (_Class::*)(_Params...) volatile, _Tp, _Args...>
+{
+    typedef _R type;
+};
+
+template <class _R, class _Class, class _Tp, class ..._Params, class ..._Args>
+struct __result_of_mp<_R (_Class::*)(_Params...) const volatile, _Tp, _Args...>
+{
+    typedef _R type;
+};
+
+// member data pointer
+
+template <class _MP, class _Tp, bool>
+struct __result_of_mdp;
+
+template <class _R, class _Class, class _Tp>
+struct __result_of_mdp<_R _Class::*, _Tp, false>
+{
+    typedef typename __apply_cv<decltype(*_STD::declval<_Tp>()), _R>::type type;
+};
+
+template <class _R, class _Class, class _Tp>
+struct __result_of_mdp<_R _Class::*, _Tp, true>
+{
+    typedef typename __apply_cv<_Tp, _R>::type&& type;
+};
+
+template <class _R, class _Class, class _Tp>
+struct __result_of_mp<_R _Class::*, _Tp>
+    : public __result_of_mdp<_R _Class::*, _Tp,
+            is_base_of<_Class, typename remove_reference<_Tp>::type>::value>
+{
+};
+
+template <class _Fn, class _Tp, class ..._ArgTypes>
+class __result_of<_Fn(_Tp, _ArgTypes...), false>  // _Fn must be member pointer
+    : public __result_of_mp<_Fn, _Tp, _ArgTypes...>
+{
+};
+
+#endif
+
+// result_of
+
 template <class _Fn, class ..._ArgTypes>
 template <class _Fn, class ..._ArgTypes>
 class result_of<_Fn(_ArgTypes...)>
 class result_of<_Fn(_ArgTypes...)>
     : public __result_of<_Fn(_ArgTypes...),
     : public __result_of<_Fn(_ArgTypes...),

+ 1 - 1
test/utilities/meta/meta.trans/meta.trans.other/result_of.pass.cpp

@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// result_of<Fn(ArgTypes...)>

#include <type_traits>

typedef bool (&PF1)();
typedef short (*PF2)(long);

struct S
{
    operator PF2() const;
    double operator()(char, int&);
};

int main()
{
    static_assert((std::is_same<std::result_of<S(int)>::type, short>::value), "Error!");
    static_assert((std::is_same<std::result_of<S&(unsigned char, int&)>::type, double>::value), "Error!");
    static_assert((std::is_same<std::result_of<PF1()>::type, bool>::value), "Error!");
}
+//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// result_of<Fn(ArgTypes...)>

#include <type_traits>
#include <memory>

typedef bool (&PF1)();
typedef short (*PF2)(long);

struct S
{
    operator PF2() const;
    double operator()(char, int&);
    void calc(long) const;
    char data_;
};

typedef void (S::*PMS)(long) const;
typedef char S::*PMD;

int main()
{
    static_assert((std::is_same<std::result_of<S(int)>::type, short>::value), "Error!");
    static_assert((std::is_same<std::result_of<S&(unsigned char, int&)>::type, double>::value), "Error!");
    static_assert((std::is_same<std::result_of<PF1()>::type, bool>::value), "Error!");
//     static_assert(std::is_same<std::result_of<PMS(std::unique_ptr<S>, int)>::type, void>::value, "Error!");
//     static_assert(std::is_same<std::result_of<PMD(S)>::type, char&&>::value, "Error!");
//     static_assert(std::is_same<std::result_of<PMD(const S*)>::type, const char&>::value, "Error!");
}

二进制
www/libcxx_by_chapter.pdf