47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11
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// <algorithm>
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// template<class ForwardIterator, class Searcher>
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// ForwardIterator search(ForwardIterator first, ForwardIterator last,
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// const Searcher& searcher);
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//
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// returns searcher.operator(first, last).first
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//
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#include <experimental/algorithm>
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#include <cassert>
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#include "test_iterators.h"
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int searcher_called = 0;
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struct MySearcher {
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template <typename Iterator>
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std::pair<Iterator, Iterator>
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operator() (Iterator b, Iterator e) const
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{
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++searcher_called;
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return std::make_pair(b, e);
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}
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};
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int main() {
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typedef int * RI;
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static_assert((std::is_same<RI, decltype(std::experimental::search(RI(), RI(), MySearcher()))>::value), "" );
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RI it(nullptr);
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assert(it == std::experimental::search(it, it, MySearcher()));
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assert(searcher_called == 1);
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}
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