mirror of
https://github.com/boostorg/function.git
synced 2025-06-30 14:31:08 +02:00
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
// Boost.Function library
|
|
|
|
// Copyright (C) 2002-2003 Doug Gregor (gregod@cs.rpi.edu)
|
|
//
|
|
// Permission to copy, use, sell and distribute this software is granted
|
|
// provided this copyright notice appears in all copies.
|
|
// Permission to modify the code and to distribute modified code is granted
|
|
// provided this copyright notice appears in all copies, and a notice
|
|
// that the code was modified is included with the copyright notice.
|
|
//
|
|
// This software is provided "as is" without express or implied warranty,
|
|
// and with no claim as to its suitability for any purpose.
|
|
|
|
// For more information, see http://www.boost.org
|
|
|
|
#include <iostream>
|
|
#include <cstdlib>
|
|
|
|
#include <boost/test/test_tools.hpp>
|
|
#include <boost/lambda/lambda.hpp>
|
|
#include <boost/lambda/bind.hpp>
|
|
#include <boost/function.hpp>
|
|
|
|
using namespace std;
|
|
using namespace boost;
|
|
using namespace boost::lambda;
|
|
|
|
static unsigned
|
|
func_impl(int arg1, bool arg2, double arg3)
|
|
{
|
|
return abs (static_cast<int>((arg2 ? arg1 : 2 * arg1) * arg3));
|
|
}
|
|
|
|
int test_main(int, char*[])
|
|
{
|
|
function <unsigned(bool, double)> f1 = bind(func_impl, 15, _1, _2);
|
|
function <unsigned(double)> f2 = bind(f1, false, _1);
|
|
function <unsigned()> f3 = bind(f2, 4.0);
|
|
|
|
f3();
|
|
|
|
return 0;
|
|
}
|
|
|