libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/enable_if.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // type_traits
  10
  11 // enable_if
  12
  13 #include <type_traits>
  14
  15 #include "test_macros.h"
  16
  17 int main(int, char**)
  18 {
  19     ASSERT_SAME_TYPE(void, std::enable_if<true>::type);
  20     ASSERT_SAME_TYPE(int,  std::enable_if<true, int>::type);
  21 #if TEST_STD_VER > 11
  22     ASSERT_SAME_TYPE(void, std::enable_if_t<true, void>);
  23     ASSERT_SAME_TYPE(int,  std::enable_if_t<true, int>);
  24 #endif
  25
  26   return 0;
  27 }