52 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <stack>10// UNSUPPORTED: c++03, c++11, c++1411 12// template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>>13// vector(InputIterator, InputIterator, Allocator = Allocator())14// -> vector<typename iterator_traits<InputIterator>::value_type, Allocator>;15//16 17#include <stack>18#include <list>19#include <iterator>20#include <cassert>21#include <cstddef>22 23int main(int, char**) {24 // Test the explicit deduction guides25 {26 // stack(const Container&, const Alloc&);27 // The '45' is not an allocator28 std::stack stk(std::list<int>({1, 2, 3}), 45);29 // expected-error-re@-1 {{no viable constructor or deduction guide for deduction of template arguments of '{{(std::)?}}stack'}}30 }31 32 {33 // stack(const stack&, const Alloc&);34 // The '45' is not an allocator35 std::stack<int> source;36 std::stack stk(source, 45);37 // expected-error-re@-1 {{no viable constructor or deduction guide for deduction of template arguments of '{{(std::)?}}stack'}}38 }39 40 // Test the implicit deduction guides41 {42 // stack (allocator &)43 std::stack stk((std::allocator< int>()));44 // expected-error-re@-1 {{no viable constructor or deduction guide for deduction of template arguments of '{{(std::)?}}stack'}}45 // Note: The extra parens are necessary, since otherwise clang decides it is a function declaration.46 // Also, we can't use {} instead of parens, because that constructs a47 // stack<allocator<int>, allocator<allocator<int>>>48 }49 50 return 0;51}52