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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/bind/bind_as_compose.cpp
parentInitial commit. (diff)
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Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/bind/bind_as_compose.cpp')
-rw-r--r--src/boost/libs/bind/bind_as_compose.cpp78
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diff --git a/src/boost/libs/bind/bind_as_compose.cpp b/src/boost/libs/bind/bind_as_compose.cpp
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+++ b/src/boost/libs/bind/bind_as_compose.cpp
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+#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_as_compose.cpp - function composition using bind.hpp
+//
+// Version 1.00.0001 (2001-08-30)
+//
+// Copyright (c) 2001 Peter Dimov and Multi Media Ltd.
+//
+// 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/bind.hpp>
+#include <iostream>
+#include <string>
+
+using namespace boost::placeholders;
+
+std::string f(std::string const & x)
+{
+ return "f(" + x + ")";
+}
+
+std::string g(std::string const & x)
+{
+ return "g(" + x + ")";
+}
+
+std::string h(std::string const & x, std::string const & y)
+{
+ return "h(" + x + ", " + y + ")";
+}
+
+std::string k()
+{
+ return "k()";
+}
+
+template<class F> void test(F f)
+{
+ std::cout << f("x", "y") << '\n';
+}
+
+int main()
+{
+ using namespace boost;
+
+ // compose_f_gx
+
+ test( bind(f, bind(g, _1)) );
+
+ // compose_f_hxy
+
+ test( bind(f, bind(h, _1, _2)) );
+
+ // compose_h_fx_gx
+
+ test( bind(h, bind(f, _1), bind(g, _1)) );
+
+ // compose_h_fx_gy
+
+ test( bind(h, bind(f, _1), bind(g, _2)) );
+
+ // compose_f_k
+
+ test( bind(f, bind(k)) );
+
+ return 0;
+}