operator! added

[SVN r27632]

include/boost/bind.hpp

@@ -1134,6 +1134,21 @@ template<class A1, class A2, class A3, class A4, class A5, class A6, class A7, c
     typedef list9<B1, B2, B3, B4, B5, B6, B7, B8, B9> type;
 };
 
+// operator!
+
+struct logical_not
+{
+    template<class V> bool operator()(V const & v) const { return !v; }
+};
+
+template<class R, class F, class L>
+    bind_t< bool, logical_not, list1< bind_t<R, F, L> > >
+    operator! (bind_t<R, F, L> const & f)
+{
+    typedef list1< bind_t<R, F, L> > list_type;
+    return bind_t<bool, logical_not, list_type> ( logical_not(), list_type(f) );
+}
+
 } // namespace _bi
 
 // visit_each

test/Jamfile

@@ -23,6 +23,7 @@ DEPENDS all : bind ;
           [ run bind_const_test.cpp ]
           [ run bind_cv_test.cpp ]
           [ run bind_stateful_test.cpp ]
+          [ run bind_not_test.cpp ]
           [ run mem_fn_test.cpp ]
           [ run mem_fn_void_test.cpp ]
           [ run mem_fn_derived_test.cpp ]

test/Jamfile.v2

@@ -17,6 +17,7 @@ test-suite "bind"
       [ run bind_const_test.cpp ]
       [ run bind_cv_test.cpp ]
       [ run bind_stateful_test.cpp ]
+      [ run bind_not_test.cpp ]
       [ run mem_fn_test.cpp ]
       [ run mem_fn_void_test.cpp ]
       [ run mem_fn_derived_test.cpp ]

test/bind_not_test.cpp

@@ -0,0 +1,57 @@
+#include <boost/config.hpp>
+
+#if defined(BOOST_MSVC)
+#pragma warning(disable: 4786)  // identifier truncated in debug info
+#pragma warning(disable: 4710)  // function not inlined
+#pragma warning(disable: 4711)  // function selected for automatic inline expansion
+#pragma warning(disable: 4514)  // unreferenced inline removed
+#endif
+
+//
+//  bind_not_test.cpp - operator!
+//
+//  Copyright (c) 2005 Peter Dimov
+//
+// 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)
+//
+
+#include <boost/bind.hpp>
+
+#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
+#pragma warning(push, 3)
+#endif
+
+#include <iostream>
+
+#if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
+#pragma warning(pop)
+#endif
+
+#include <boost/detail/lightweight_test.hpp>
+
+template<class F, class A1, class R> void test( F f, A1 a1, R r )
+{
+    BOOST_TEST( f(a1) == r );
+}
+
+bool f( bool v )
+{
+    return v;
+}
+
+int g( int v )
+{
+    return v;
+}
+
+int main()
+{
+    test( !boost::bind( f, true ), 0, !f( true ) );
+    test( !boost::bind( g, _1 ), 5, !g( 5 ) );
+    test( boost::bind( f, !boost::bind( f, true ) ), 0, f( !f( true ) ) );
+    test( boost::bind( f, !boost::bind( f, _1 ) ), true, f( !f( true ) ) );
+
+    return boost::report_errors();
+}