1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <tuple> 11 12// template <class... Types> class tuple; 13 14// explicit tuple(const T&...); 15 16// UNSUPPORTED: c++98, c++03 17 18#include <tuple> 19#include <string> 20#include <cassert> 21 22struct ExplicitCopy { 23 ExplicitCopy(int) {} 24 explicit ExplicitCopy(ExplicitCopy const&) {} 25}; 26 27std::tuple<ExplicitCopy> const_explicit_copy() { 28 const ExplicitCopy e(42); 29 return {e}; 30 // expected-error@-1 {{chosen constructor is explicit in copy-initialization}} 31} 32 33 34std::tuple<ExplicitCopy> non_const_explicit_copy() { 35 ExplicitCopy e(42); 36 return {e}; 37 // expected-error@-1 {{chosen constructor is explicit in copy-initialization}} 38} 39 40std::tuple<ExplicitCopy> const_explicit_copy_no_brace() { 41 const ExplicitCopy e(42); 42 return e; 43 // expected-error@-1 {{no viable conversion}} 44} 45 46int main() 47{ 48} 49