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authorDaniel Wilhelm <daniel@wili.li>2015-10-02 14:53:20 +0200
committerDaniel Wilhelm <daniel@wili.li>2015-10-02 14:53:20 +0200
commit94db751716dd2851f99b5c4c2981da1d1f4780f8 (patch)
treee4ffc9f5ae2b2873f267a6e5d3d2092c8aad49a7 /zen/stl_tools.h
parent6.10 (diff)
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6.11
Diffstat (limited to 'zen/stl_tools.h')
-rw-r--r--zen/stl_tools.h70
1 files changed, 12 insertions, 58 deletions
diff --git a/zen/stl_tools.h b/zen/stl_tools.h
index 38752e67..eb94b4a1 100644
--- a/zen/stl_tools.h
+++ b/zen/stl_tools.h
@@ -9,13 +9,6 @@
#include <memory>
#include <algorithm>
-#if defined _MSC_VER && _MSC_VER <= 1600
-#include <set>
-#include <map>
-#else
-#include <unordered_set>
-#include <unordered_map>
-#endif
//enhancements for <algorithm>
@@ -38,8 +31,8 @@ template <class M, class K, class V>
V& map_add_or_update(M& map, const K& key, const V& value); //efficient add or update without "default-constructible" requirement (Effective STL, item 24)
//binary search returning an iterator
-template <class ForwardIterator, class T, typename Compare>
-ForwardIterator binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
+template <class ForwardIterator, class T, typename CompLess>
+ForwardIterator binary_search(ForwardIterator first, ForwardIterator last, const T& value, CompLess less);
template <class BidirectionalIterator, class T>
BidirectionalIterator find_last(BidirectionalIterator first, BidirectionalIterator last, const T& value);
@@ -53,26 +46,9 @@ template <class InputIterator1, class InputIterator2>
bool equal(InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2);
-//hash container: proper name + mitigate MSVC performance bug
-template <class T> class hash_set;
-template <class K, class V> class hash_map;
-
-template<typename T, typename Arg1>
-std::unique_ptr<T> make_unique(Arg1&& arg1); //should eventually make it into the std at some time
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+//until std::make_unique is available in GCC:
+template <class T, class... Args> inline
+std::unique_ptr<T> make_unique(Args&& ... args) { return std::unique_ptr<T>(new T(std::forward<Args>(args)...)); }
@@ -127,11 +103,11 @@ V& map_add_or_update(M& map, const K& key, const V& value) //efficient add or up
}
-template <class ForwardIterator, class T, typename Compare> inline
-ForwardIterator binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp)
+template <class ForwardIterator, class T, typename CompLess> inline
+ForwardIterator binary_search(ForwardIterator first, ForwardIterator last, const T& value, CompLess less)
{
- first = std::lower_bound(first, last, value, comp);
- if (first != last && !comp(value, *first))
+ first = std::lower_bound(first, last, value, less);
+ if (first != last && !less(value, *first))
return first;
else
return last;
@@ -187,32 +163,10 @@ bool equal(InputIterator1 first1, InputIterator1 last1,
}
-#if defined _MSC_VER && _MSC_VER <= 1600 //VS2010 performance bug in std::unordered_set<>: http://drdobbs.com/blogs/cpp/232200410 -> should be fixed in VS11
-template <class T> class hash_set : public std::set<T> {};
-template <class K, class V> class hash_map : public std::map<K, V> {};
-#else
-template <class T> class hash_set : public std::unordered_set<T> {};
-template <class K, class V> class hash_map : public std::unordered_map<K, V> {};
-//C++11:
-//template <class T> using hash_set = std::unordered_set<T>;
-//template <class K, class V> using hash_map = std::unordered_map<K, V>;
+#if defined _MSC_VER && _MSC_VER <= 1600
+//VS2010 performance bug in std::unordered_set<>: http://drdobbs.com/blogs/cpp/232200410 -> should be fixed in VS11
+static_assert(false, "");
#endif
-
-//as long as variadic templates are not available in MSVC
-template<class T> inline std::unique_ptr<T> make_unique() { return std::unique_ptr<T>(new T); }
-template<class T, class Arg1> inline std::unique_ptr<T> make_unique(Arg1&& arg1) { return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1))); }
-template<class T, class Arg1, class Arg2> inline std::unique_ptr<T> make_unique(Arg1&& arg1, Arg2&& arg2) { return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2))); }
-template<class T, class Arg1, class Arg2, class Arg3> inline std::unique_ptr<T> make_unique(Arg1&& arg1, Arg2&& arg2, Arg3&& arg3) { return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2), std::forward<Arg3>(arg3))); }
-template<class T, class Arg1, class Arg2, class Arg3, class Arg4> inline std::unique_ptr<T> make_unique(Arg1&& arg1, Arg2&& arg2, Arg3&& arg3, Arg4&& arg4) { return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2), std::forward<Arg3>(arg3), std::forward<Arg4>(arg4))); }
-template<class T, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5> inline std::unique_ptr<T> make_unique(Arg1&& arg1, Arg2&& arg2, Arg3&& arg3, Arg4&& arg4, Arg5&& arg5) { return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2), std::forward<Arg3>(arg3), std::forward<Arg4>(arg4), std::forward<Arg5>(arg5))); }
-template<class T, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6> inline std::unique_ptr<T> make_unique(Arg1&& arg1, Arg2&& arg2, Arg3&& arg3, Arg4&& arg4, Arg5&& arg5, Arg6&& arg6) { return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2), std::forward<Arg3>(arg3), std::forward<Arg4>(arg4), std::forward<Arg5>(arg5), std::forward<Arg6>(arg6))); }
-template<class T, class Arg1, class Arg2, class Arg3, class Arg4, class Arg5, class Arg6, class Arg7> inline std::unique_ptr<T> make_unique(Arg1&& arg1, Arg2&& arg2, Arg3&& arg3, Arg4&& arg4, Arg5&& arg5, Arg6&& arg6, Arg7&& arg7) { return std::unique_ptr<T>(new T(std::forward<Arg1>(arg1), std::forward<Arg2>(arg2), std::forward<Arg3>(arg3), std::forward<Arg4>(arg4), std::forward<Arg5>(arg5), std::forward<Arg6>(arg6), std::forward<Arg7>(arg7))); }
-
-//template<typename T, typename ...Args> inline
-//std::unique_ptr<T> make_unique(Args&& ...args)
-//{
-// return std::unique_ptr<T>(new T( std::forward<Args>(args)... ));
-//}
}
#endif //STL_TOOLS_HEADER_84567184321434
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