blob: 6aa1364797998ca5ce918e41a9cb716327bf27e2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/*=============================================================================
Copyright (c) 2017 Paul Fultz II
pointfree.cpp
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)
==============================================================================*/
/*=============================================================================
Copyright (c) 2016 Paul Fultz II
pointfree.cpp
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 "example.h"
using namespace boost::hof;
BOOST_HOF_STATIC_FUNCTION(simple_print) = BOOST_HOF_LIFT(std::ref(std::cout) << _);
BOOST_HOF_STATIC_FUNCTION(print) = proj(simple_print);
BOOST_HOF_STATIC_FUNCTION(print_lines) = proj(flow(simple_print, _ << std::integral_constant<char, '\n'>{}));
BOOST_HOF_STATIC_FUNCTION(max) = fold(BOOST_HOF_LIFT(std::max));
int main()
{
simple_print("Hello\n");
print("Hello", "World\n");
print_lines("Hello", "World");
auto n = max(1, 2, 4, 3); // Returns 4
auto m = max(0.1, 0.2, 0.5, 0.4); // Returns 0.5
print_lines(n, m);
}
|