Stratosphere: Add WrapIpcCommandImpl templating.

stratosphere/loader/include/boost/callable_traits/has_member_qualifiers.hpp

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+/*
+
+@Copyright Barrett Adair 2015-2017
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+*/
+
+#ifndef BOOST_CLBL_TRTS_HAS_MEMBER_QUALIFIERS_HPP
+#define BOOST_CLBL_TRTS_HAS_MEMBER_QUALIFIERS_HPP
+
+#include <boost/callable_traits/detail/core.hpp>
+
+namespace boost { namespace callable_traits {
+
+//[ has_member_qualifiers_hpp
+/*`[section:ref_has_member_qualifiers has_member_qualifiers]
+[heading Header]
+``#include <boost/callable_traits/has_member_qualifiers.hpp>``
+[heading Definition]
+*/
+
+// inherits from either std::true_type or std::false_type
+template<typename T>
+struct has_member_qualifiers;
+
+//<-
+template<typename T>
+struct has_member_qualifiers : detail::traits<
+    detail::shallow_decay<T>>::has_member_qualifiers {
+
+    using type = typename detail::traits<
+        detail::shallow_decay<T>>::has_member_qualifiers;
+};
+
+// older compilers don't support variable templates
+#ifdef BOOST_CLBL_TRTS_DISABLE_VARIABLE_TEMPLATES
+
+template<typename T>
+struct has_member_qualifiers_v {
+    static_assert(std::is_same<T, detail::dummy>::value,
+        "Variable templates not supported on this compiler.");
+};
+
+#else
+//->
+// only available when variable templates are supported
+template<typename T>
+//<-
+BOOST_CLBL_TRAITS_INLINE_VAR
+//->
+constexpr bool has_member_qualifiers_v = //see below
+//<-
+    detail::traits<detail::shallow_decay<T>>::has_member_qualifiers::value;
+
+#endif
+
+}} // namespace boost::callable_traits
+//->
+
+/*`
+[heading Constraints]
+* none
+
+[heading Behavior]
+* `std::false_type` is inherited by `has_member_qualifiers<T>` and is aliased by `typename has_member_qualifiers<T>::type`, except when one of the following criteria is met, in which case `std::true_type` would be similarly inherited and aliased:
+  * `T` is a function with member qualifiers
+  * `T` is a member function pointer with member qualifiers
+  * `T` is a function object with a member-qualified `operator()`
+* On compilers that support variable templates, `has_member_qualifiers_v<T>` is equivalent to `has_member_qualifiers<T>::value`.
+
+[heading Input/Output Examples]
+[table
+    [[`T`]                              [`has_member_qualifiers_v<T>`]]
+    [[`void() const`]                   [`true`]]
+    [[`void() const transaction_safe`]  [`true`]]
+    [[`void() volatile &&`]             [`true`]]
+    [[`int(foo::*)() &`]                [`true`]]
+    [[`void(foo::*)() const`]           [`true`]]
+    [[`void(foo::*&)() const`]          [`true`]]
+    [[`void(foo::* const)() const`]     [`true`]]
+    [[`void()`]                         [`false`]]
+    [[`void() transaction_safe`]        [`false`]]
+    [[`void(*)()`]                      [`false`]]
+    [[`void(*&)()`]                     [`false`]]
+    [[`int`]                            [`false`]]
+    [[`const int`]                      [`false`]]
+    [[`int foo::*`]                     [`false`]]
+    [[`const int foo::*`]               [`false`]]
+]
+
+[heading Example Program]
+[import ../example/has_member_qualifiers.cpp]
+[has_member_qualifiers]
+[endsect]
+*/
+//]
+
+#endif //BOOST_CLBL_TRTS_HAS_MEMBER_QUALIFIERS_HPP