/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.

   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. */

#pragma once
#include <sstream>
#include <string>

namespace paddle {
namespace string {
template <typename T>
inline std::string to_string(T v) {
  std::ostringstream sout;
  sout << v;
  return sout.str();
}

// Faster std::string/const char* type
template <>
inline std::string to_string(std::string v) {
  return v;
}

template <>
inline std::string to_string(const char* v) {
  return std::string(v);
}

}  // namespace string
}  // namespace paddle