libcxx/test/std/containers/test_compare.h

   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 #ifndef TEST_COMPARE_H
  10 #define TEST_COMPARE_H
  11
  12 template <class T>
  13 struct test_equal_to
  14 {
  15     int data_;
  16     explicit test_equal_to() : data_(0) {}
  17     explicit test_equal_to(int data) : data_(data) {}
  18     bool operator()(const T& a, const T& b) const
  19         { return a == b; }
  20     friend bool operator==(const test_equal_to& a, const test_equal_to& b)
  21         { return a.data_ == b.data_; }
  22 };
  23
  24 template <class T>
  25 struct test_less
  26 {
  27     int data_;
  28     explicit test_less() : data_(0) {}
  29     explicit test_less(int data) : data_(data) {}
  30     bool operator()(const T& a, const T& b) const
  31         { return a < b; }
  32     friend bool operator==(const test_less& a, const test_less& b)
  33         { return a.data_ == b.data_; }
  34 };
  35
  36 #endif // TEST_COMPARE_H