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@@ -75,6 +75,7 @@ typedef int ios_seekdir;
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#endif
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#include <string>
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+#include <utility>
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#ifdef HAVE_NAMESPACE
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using namespace std;
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@@ -114,6 +115,18 @@ typedef ios::iostate ios_iostate;
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typedef ios::seekdir ios_seekdir;
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#endif
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+// Apple has an outdated libstdc++. Not all is lost, though, as we can fill
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+// in some important missing functions.
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+#if defined(__GLIBCXX__) && __GLIBCXX__ <= 20070719
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+template<class T> struct remove_reference {typedef T type;};
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+template<class T> struct remove_reference<T&> {typedef T type;};
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+template<class T> struct remove_reference<T&& >{typedef T type;};
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+
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+template<class T> typename remove_reference<T>::type &&move(T &&t) {
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+ return static_cast<typename remove_reference<T>::type&&>(t);
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+}
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+#endif
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+
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#ifdef _MSC_VER
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#define ALWAYS_INLINE __forceinline
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#elif defined(__GNUC__)
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@@ -153,7 +166,7 @@ typedef ios::seekdir ios_seekdir;
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#elif defined(__GNUC__) && (__cplusplus >= 201103L) // GCC
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// GCC defines several macros which we can query. List of all supported
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-// builtin macros: https:gcc.gnu.orgprojectscxx0x.html
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+// builtin macros: https://gcc.gnu.org/projects/cxx-status.html
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# if __cpp_constexpr >= 200704
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# define CONSTEXPR constexpr
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# endif
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