diff options
Diffstat (limited to 'src/boost/libs/function/test/function_arith_cxx98.cpp')
-rw-r--r-- | src/boost/libs/function/test/function_arith_cxx98.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/boost/libs/function/test/function_arith_cxx98.cpp b/src/boost/libs/function/test/function_arith_cxx98.cpp new file mode 100644 index 00000000..40297643 --- /dev/null +++ b/src/boost/libs/function/test/function_arith_cxx98.cpp @@ -0,0 +1,34 @@ +// Function library + +// Copyright (C) 2001-2003 Douglas Gregor + +// Use, modification and distribution is subject to 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) + +// For more information, see http://www.boost.org/ + + +#include <boost/function.hpp> +#include <iostream> + + +float mul_ints(int x, int y) { return ((float)x) * y; } +struct int_div { + float operator()(int x, int y) const { return ((float)x)/y; }; +}; + +int main() +{ + boost::function<float (int x, int y)> f; + f = int_div(); + std::cout << f(5, 3) << std::endl; + if (f) + std::cout << f(5, 3) << std::endl; +else + std::cout << "f has no target, so it is unsafe to call" << std::endl; + f = 0; + f = &mul_ints; + + return 0; +} |