libstdc++-v3/testsuite/20_util/enable_if/requirements/typedefs.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // 2007-05-02  Benjamin Kosnik  <bkoz@redhat.com>
   4 //
   5 // Copyright (C) 2007-2018 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <type_traits>
  23
  24 void test01()
  25 {
  26   using std::enable_if;
  27
  28   // Positive tests.
  29   typedef enable_if<true, int>::type     test1_type;
  30 }