format.h

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */
 
#pragma once
 
#include <mrpt/core/common.h>
#include <string>
 
/** This is the global namespace for all Mobile Robot Programming Toolkit (MRPT)
 * libraries. */
namespace mrpt
{
/** A std::string version of C sprintf.
  *  You can call this to obtain a std::string using printf-like syntax.
  */
std::string format(const char* fmt, ...) MRPT_printf_format_check(1, 2);
 
/** Just like std::to_string(), but with an overloaded version
* for std::string arguments. */
template <typename T>
std::string to_string(T v)
{
        return std::to_string(v);
}
template <>
inline std::string to_string<>(std::string v)
{
        return v;
}
template <>
inline std::string to_string<>(bool v)
{
        return v ? "true" : "false";
}
template <>
inline std::string to_string<>(const char* s)
{
        return std::string(s);
}
}