| #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.hpp> |
| #include <iostream> |
| #include <string> |
| |
| 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; |
| } |