1 // Copyright (C) 2017-2024 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-do compile { target c++14 } }
21 // This failed to compile with Clang because the result_of expression causes
22 // instantiation of _Iter_comp_iter::operator() outside the immediate context.
30 template<typename F
, typename
= std::result_of_t
<F
&(int, int)>>
33 bool operator()(int x
, int y
) const { return x
< y
; }
39 std::sort(a
, a
+2, function
{});