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76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
// Range v3 library
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//
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// Copyright Andrew Sutton 2014
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Project home: https://github.com/ericniebler/range-v3
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#include <vector>
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#include <range/v3/core.hpp>
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#include <range/v3/algorithm/all_of.hpp>
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#include "../simple_test.hpp"
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constexpr bool even(int n)
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{
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return n % 2 == 0;
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}
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struct S {
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S(bool p) : test(p) { }
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bool p() const { return test; }
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bool test;
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};
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constexpr bool test_constexpr(std::initializer_list<int> il)
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{
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return ranges::all_of(il, even);
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}
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int main()
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{
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std::vector<int> all_even { 0, 2, 4, 6 };
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std::vector<int> one_even { 1, 3, 4, 7 };
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std::vector<int> none_even { 1, 3, 5, 7 };
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CHECK(ranges::all_of(all_even.begin(), all_even.end(), even));
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CHECK(!ranges::all_of(one_even.begin(), one_even.end(), even));
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CHECK(!ranges::all_of(none_even.begin(), none_even.end(), even));
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CHECK(ranges::all_of(all_even, even));
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CHECK(!ranges::all_of(one_even, even));
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CHECK(!ranges::all_of(none_even, even));
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using ILI = std::initializer_list<int>;
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CHECK(ranges::all_of(ILI{0, 2, 4, 6}, [](int n) { return n % 2 == 0; }));
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CHECK(!ranges::all_of(ILI{1, 3, 4, 7}, [](int n) { return n % 2 == 0; }));
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CHECK(!ranges::all_of(ILI{1, 3, 5, 7}, [](int n) { return n % 2 == 0; }));
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std::vector<S> all_true { true, true, true };
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std::vector<S> one_true { false, false, true };
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std::vector<S> none_true { false, false, false };
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CHECK(ranges::all_of(all_true.begin(), all_true.end(), &S::p));
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CHECK(!ranges::all_of(one_true.begin(), one_true.end(), &S::p));
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CHECK(!ranges::all_of(none_true.begin(), none_true.end(), &S::p));
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CHECK(ranges::all_of(all_true, &S::p));
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CHECK(!ranges::all_of(one_true, &S::p));
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CHECK(!ranges::all_of(none_true, &S::p));
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using ILS = std::initializer_list<S>;
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CHECK(ranges::all_of(ILS{S(true), S(true), S(true)}, &S::p));
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CHECK(!ranges::all_of(ILS{S(false), S(true), S(false)}, &S::p));
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CHECK(!ranges::all_of(ILS{S(false), S(false), S(false)}, &S::p));
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STATIC_CHECK(test_constexpr({0, 2, 4, 6}));
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STATIC_CHECK(!test_constexpr({0, 2, 4, 5}));
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STATIC_CHECK(!test_constexpr({1, 3, 4, 7}));
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STATIC_CHECK(!test_constexpr({1, 3, 5, 7}));
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return ::test_result();
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}
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