1// Copyright (C) 2014 Google Inc.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef I18N_ADDRESSINPUT_UTIL_CCTYPE_TOLOWER_EQUAL_H_
16#define I18N_ADDRESSINPUT_UTIL_CCTYPE_TOLOWER_EQUAL_H_
17
18#include <functional>
19#include <string>
20
21namespace i18n {
22namespace addressinput {
23
24// Performs case insensitive comparison of |a| and |b| by calling std::tolower()
25// from <cctype>.
26struct EqualToTolowerString
27    : public std::binary_function<std::string, std::string, bool> {
28  result_type operator()(const first_argument_type& a,
29                         const second_argument_type& b) const;
30};
31
32}  // addressinput
33}  // i18n
34
35#endif  // I18N_ADDRESSINPUT_UTIL_CCTYPE_TOLOWER_EQUAL_H_
36