X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fcore%2Fmeta.h;h=6998c5d1b8a712d69176a556e7c677bb745b9ec2;hp=8015f42370837e2ba6633acb0ee9b50a87ca9273;hb=90fc7638aee23270fe005f86dd1b492d67015c13;hpb=47ce9e396aca83fbf90b7130263aaa4c8439af9c

diff --git a/source/core/meta.h b/source/core/meta.h
index 8015f42..6998c5d 100644
--- a/source/core/meta.h
+++ b/source/core/meta.h
@@ -58,6 +58,18 @@ struct Sfinae
 	};
 };
 
+
+struct CheckEqualityComparable: Sfinae
+{
+	static int &v;
+	template<typename T>
+	static Yes f(int (*)[sizeof(reinterpret_cast<const T &>(v)==reinterpret_cast<const T &>(v))]);
+	using Sfinae::f;
+};
+
+template<typename T>
+struct IsEqualityComparable: Sfinae::Evaluate<CheckEqualityComparable, T> { };
+
 } // namespace Msp
 
 #endif