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// Copyright (c) 2018 Robert Ramey
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_SAFE_FORMAT_HPP
#define BOOST_SAFE_FORMAT_HPP
// Copyright (c) 2015 Robert Ramey
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <ostream>
#include <typeinfo>
#include <boost/core/demangle.hpp>
#include <boost/safe_numerics/safe_common.hpp>
namespace {
// create an output manipulator which prints variable type and limits
// as well as value
template<typename T>
struct safe_format_impl {
const T & m_t;
safe_format_impl(const T & t) :
m_t(t)
{}
template <class charT, class Traits>
friend std::basic_ostream<charT,Traits> &
operator<<(
std::basic_ostream<charT,Traits> & os,
const safe_format_impl<T> & f
){
return os
<< "<"
<< boost::core::demangle(typeid(
typename boost::safe_numerics::base_type<T>::type
).name()
)
<< ">["
<< std::numeric_limits<T>::min() << ","
<< std::numeric_limits<T>::max() << "] = "
<< f.m_t;
}
};
} // anonymous namespace
template<typename T>
auto safe_format(const T & t){
return safe_format_impl<T>(t);
}
#endif // BOOST_SAFE_FORMAT_HPP
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