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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <regex>
// UNSUPPORTED: c++03, c++11, c++14
// UNSUPPORTED: libcpp-no-deduction-guides
// template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>>
// vector(InputIterator, InputIterator, Allocator = Allocator())
// -> vector<typename iterator_traits<InputIterator>::value_type, Allocator>;
//
#include <regex>
#include <string>
#include <iterator>
#include <cassert>
#include <cstddef>
int main(int, char**)
{
// Test the explicit deduction guides
{
// basic_regex(ForwardIterator, ForwardIterator)
// <int> is not an iterator
std::basic_regex re(23, 34); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_regex'}}
}
{
// basic_regex(ForwardIterator, ForwardIterator, flag_type)
// <double> is not an iterator
std::basic_regex re(23.0, 34.0, std::regex_constants::basic); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_regex'}}
}
// Test the implicit deduction guides
return 0;
}
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