1 files changed, 67 insertions, 0 deletions
diff --git a/src/boost/libs/concept_check/test/old_concepts.hpp b/src/boost/libs/concept_check/test/old_concepts.hpp
new file mode 100644
index 000000000..76fad3c64
--- /dev/null
+++ b/src/boost/libs/concept_check/test/old_concepts.hpp
@@ -0,0 +1,67 @@
+// Copyright Jeremy Siek, David Abrahams 2000-2006. Distributed under
+// the Boost Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+#ifndef BOOST_LIBS_CONCEPT_CHECK_OLD_CONCEPTS_DWA2006428_HPP
+# define BOOST_LIBS_CONCEPT_CHECK_OLD_CONCEPTS_DWA2006428_HPP
+
+#include <boost/concept_check.hpp>
+
+namespace old
+{
+  template <class TT>
+  void require_boolean_expr(const TT& t) {
+    bool x = t;
+    boost::ignore_unused_variable_warning(x);
+  }
+  
+  template <class TT>
+  struct EqualityComparableConcept
+  {
+    void constraints() {
+        boost::require_boolean_expr(a == b);
+        boost::require_boolean_expr(a != b);
+    }
+    TT a, b;
+  };
+
+  template <class Func, class Return, class Arg>
+  struct UnaryFunctionConcept
+  {
+    // required in case any of our template args are const-qualified:
+    UnaryFunctionConcept();
+    
+    void constraints() {
+      r = f(arg); // require operator()
+    }
+    Func f;
+    Arg arg;
+    Return r;
+  };
+
+  template <class Func, class Return, class First, class Second>
+  struct BinaryFunctionConcept
+  {
+    void constraints() { 
+      r = f(first, second); // require operator()
+    }
+    Func f;
+    First first;
+    Second second;
+    Return r;
+  };
+
+#define DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(OP,NAME) \
+  template <class First, class Second> \
+  struct NAME { \
+    void constraints() { (void)constraints_(); } \
+    bool constraints_() {  \
+      return  a OP b; \
+    } \
+    First a; \
+    Second b; \
+  }
+
+  DEFINE_BINARY_PREDICATE_OP_CONSTRAINT(==, EqualOpConcept);
+}
+
+#endif // BOOST_LIBS_CONCEPT_CHECK_OLD_CONCEPTS_DWA2006428_HPP