57b08b0944
to reflect the new license. These used slightly different spellings that defeated my regular expressions. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351648
56 lines
2.3 KiB
C++
56 lines
2.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8, clang-3.9, clang-4.0
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// UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9
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// template<class InputIterator,
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// class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>>
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// basic_string(InputIterator, InputIterator, Allocator = Allocator())
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// -> basic_string<typename iterator_traits<InputIterator>::value_type,
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// char_traits<typename iterator_traits<InputIterator>::value_type>,
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// Allocator>;
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//
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// The deduction guide shall not participate in overload resolution if InputIterator
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// is a type that does not qualify as an input iterator, or if Allocator is a type
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// that does not qualify as an allocator.
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#include <string>
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#include <iterator>
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#include <cassert>
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#include <cstddef>
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#include "test_macros.h"
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class NotAnItertor {};
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template <typename T>
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struct NotAnAllocator { typedef T value_type; };
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int main()
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{
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{ // Not an iterator at all
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std::basic_string s1{NotAnItertor{}, NotAnItertor{}, std::allocator<char>{}}; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_string'}}
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}
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{ // Not an input iterator
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const char16_t* s = u"12345678901234";
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std::basic_string<char16_t> s0;
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std::basic_string s1{std::back_insert_iterator(s0), // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_string'}}
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std::back_insert_iterator(s0),
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std::allocator<char16_t>{}};
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}
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{ // Not an allocator
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const wchar_t* s = L"12345678901234";
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std::basic_string s1{s, s+10, NotAnAllocator<wchar_t>{}}; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'basic_string'}}
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}
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}
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