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 22 struct ExplicitCopy { 23 ExplicitCopy(int) {} 24 explicit ExplicitCopy(ExplicitCopy const&) {} 25 }; 26 27 std::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 34 std::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 40 std::tuple<ExplicitCopy> const_explicit_copy_no_brace() { 41 const ExplicitCopy e(42); 42 return e; 43 // expected-error@-1 {{no viable conversion}} 44 } 45 46 int main() 47 { 48 } 49
