34 lines
1.3 KiB
C++
34 lines
1.3 KiB
C++
/*=============================================================================
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Copyright (c) 2017 Paul Fultz II
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pointfree.cpp
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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/*=============================================================================
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Copyright (c) 2016 Paul Fultz II
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pointfree.cpp
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include "example.h"
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using namespace boost::hof;
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BOOST_HOF_STATIC_FUNCTION(simple_print) = BOOST_HOF_LIFT(std::ref(std::cout) << _);
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BOOST_HOF_STATIC_FUNCTION(print) = proj(simple_print);
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BOOST_HOF_STATIC_FUNCTION(print_lines) = proj(flow(simple_print, _ << std::integral_constant<char, '\n'>{}));
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BOOST_HOF_STATIC_FUNCTION(max) = fold(BOOST_HOF_LIFT(std::max));
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int main()
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{
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simple_print("Hello\n");
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print("Hello", "World\n");
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print_lines("Hello", "World");
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auto n = max(1, 2, 4, 3); // Returns 4
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auto m = max(0.1, 0.2, 0.5, 0.4); // Returns 0.5
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print_lines(n, m);
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}
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