Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/23_containers/span/explicit.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// Copyright (C) 2020 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. // { dg-options "-std=gnu++2a" } // { dg-do compile { target c++2a } } #include <span> struct Range { int* begin(); int* end(); unsigned size() const; } r; auto first = std::begin(r), last = std::end(r); // span(It, size_type) std::span<int> s1 = {first, 2}; std::span<int, 2> s2 = {first, 2}; // { dg-error "could not convert" } // span(It, End) std::span<int> s3 = {first, last}; std::span<int, 2> s4 = {first, last}; // { dg-error "could not convert" } // span(R&&) std::span<int> s5 = r; std::span<int, 2> s6 = r; // { dg-error "conversion from" } // span(const span<OtherElement, OtherExtent>&) std::span<const int> s7 = s5; std::span<const int> s8 = s6; std::span<const int, 1> s9 = s5.first(1); // { dg-error "conversion from" } std::span<const int, 1> s10 = s7.first(1); // { dg-error "conversion from" }