include/util/conversion.hpp

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// conversion.hpp -*- C++ -*-
// Copyright (C) 2011 Martin Trenkmann
#ifndef AITOOLS_UTIL_CONVERSION_HPP
#define AITOOLS_UTIL_CONVERSION_HPP

#include <string>
#include <sstream>

#include "util/exception.hpp"

namespace aitools {
namespace util {

template <typename T>
bool
to_number(const std::string& value, T& number)
{
        return std::istringstream(value) >> number;
}

template <typename T>
const T
to_number(const std::string& value)
{
        T number;
        if (!to_number<T>(value, number))
                throw_invalid_argument("to_number failed", value);
        return number;
}

template <typename T>
std::string
to_string(T value)
{
        std::ostringstream oss;
        oss << value;
        return oss.str();
}

} // namespace util

using util::to_number;
using util::to_string;

} // namespace aitools

#endif // AITOOLS_UTIL_CONVERSION_HPP

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