| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <stack> |
| // UNSUPPORTED: c++98, 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 <stack> |
| #include <list> |
| #include <iterator> |
| #include <cassert> |
| #include <cstddef> |
| |
| |
| int main() |
| { |
| // Test the explicit deduction guides |
| { |
| // stack(const Container&, const Alloc&); |
| // The '45' is not an allocator |
| std::stack stk(std::list<int>({1,2,3}), 45); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'stack'}} |
| } |
| |
| { |
| // stack(const stack&, const Alloc&); |
| // The '45' is not an allocator |
| std::stack<int> source; |
| std::stack stk(source, 45); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'stack'}} |
| } |
| |
| // Test the implicit deduction guides |
| { |
| // stack (allocator &) |
| std::stack stk((std::allocator<int>())); // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'stack'}} |
| // Note: The extra parens are necessary, since otherwise clang decides it is a function declaration. |
| // Also, we can't use {} instead of parens, because that constructs a |
| // stack<allocator<int>, allocator<allocator<int>>> |
| } |
| |
| } |