chromium/third_party/libphonenumber/dist/cpp/src/phonenumbers/callback.h

// Copyright (C) 2012 The Libphonenumber Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Philippe Liard.
//
// Light implementation emulating base/callback.h. This is an internal header,
// users should not depend on it.
// Note that this implementation is very limited for now and
// libphonenumber-specific.

#ifndef I18N_PHONENUMBERS_CALLBACK_H_
#define I18N_PHONENUMBERS_CALLBACK_H_

namespace i18n {
namespace phonenumbers {

template <typename R, typename A1, typename A2, typename A3, typename A4>
class ResultCallback4 { … };

template <typename R, typename A1, typename A2, typename A3, typename A4>
class FunctionCallback4 : public ResultCallback4<R, A1, A2, A3, A4> { … };

template <typename T, typename R, typename A1, typename A2, typename A3,
          typename A4>
class ConstMethodCallback4 : public ResultCallback4<R, A1, A2, A3, A4> { … };

template <typename R, typename A1, typename A2, typename A3, typename A4>
ResultCallback4<R, A1, A2, A3, A4>* NewPermanentCallback(
    R (*function)(A1, A2, A3, A4)) { … }

template <typename T, typename R, typename A1, typename A2, typename A3,
          typename A4>
ResultCallback4<R, A1, A2, A3, A4>* NewPermanentCallback(
    const T* instance,
    R (T::*method)(A1, A2, A3, A4) const) { … }

}  // namespace phonenumbers
}  // namespace i18n

#endif  // I18N_PHONENUMBERS_CALLBACK_H_