text: /* mbed Microcontroller Library
   * Copyright (c) 2006-2015 ARM Limited
   *
   * 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.
   */
  #ifndef MBED_FUNCTIONPOINTER_H
  #define MBED_FUNCTIONPOINTER_H
  
  #include "platform/Callback.h"
  #include "platform/mbed_toolchain.h"
  #include <string.h>
  #include <stdint.h>
  
  namespace mbed {
  /** \addtogroup platform */
  /** @{*/
  /**
   * \defgroup platform_FunctionPointer FunctionPointer class
   * @{
   */
  
  // Declarations for backwards compatibility
  // To be foward compatible, code should adopt the Callback class
  template <typename R, typename A1>
  class FunctionPointerArg1 : public Callback<R(A1)> {
  public:
      MBED_DEPRECATED_SINCE("mbed-os-5.1",
                            "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
      FunctionPointerArg1(R(*function)(A1) = 0)
          : Callback<R(A1)>(function) {}
  
      template<typename T>
      MBED_DEPRECATED_SINCE("mbed-os-5.1",
                            "FunctionPointerArg1<R, A> has been replaced by Callback<R(A)>")
      FunctionPointerArg1(T *object, R(T::*member)(A1))
          : Callback<R(A1)>(object, member) {}
  
      R(*get_function())(A1)
      {
          return *reinterpret_cast<R(* *)(A1)>(this);
      }
  
      R call(A1 a1) const
      {
          if (!Callback<R(A1)>::operator bool()) {
              return (R)0;
          }
  
          return Callback<R(A1)>::call(a1);
      }
  
      R operator()(A1 a1) const
      {
          return Callback<R(A1)>::call(a1);
      }
  };
  
  template <typename R>
  class FunctionPointerArg1<R, void> : public Callback<R()> {
  public:
      MBED_DEPRECATED_SINCE("mbed-os-5.1",
                            "FunctionPointer has been replaced by Callback<void()>")
      FunctionPointerArg1(R(*function)() = 0)
          : Callback<R()>(function) {}
  
      template<typename T>
      MBED_DEPRECATED_SINCE("mbed-os-5.1",
                            "FunctionPointer has been replaced by Callback<void()>")
      FunctionPointerArg1(T *object, R(T::*member)())
          : Callback<R()>(object, member) {}
  
      R(*get_function())()
      {
          return *reinterpret_cast<R(* *)()>(this);
      }
  
      R call() const
      {
          if (!Callback<R()>::operator bool()) {
              return (R)0;
          }
  
          return Callback<R()>::call();
      }
  
      R operator()() const
      {
          return Callback<R()>::call();
      }
  };
  
  typedef FunctionPointerArg1<void, void> FunctionPointer;
  
  /**@}*/
  
  /**@}*/
  
  
  } // namespace mbed
  
  #endif
  