Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit 30e735b828.


// Copyright (c) 2009-2020 Vladimir Batov.
// Use, modification and distribution are subject to the Boost Software License,
// Version 1.0. See


#include <boost/lexical_cast.hpp>

namespace boost { namespace cnv { struct lexical_cast; }}

/// @brief boost::lexical_cast-based converter
/// @details The purpose of the converter is to
/// * Make use of the boost::lexical_cast functionality and performance that many people have become
/// accustomed to and comfortable with;
/// * Demonstrate how existing independent conversion/transformation-related facilities might be
//  incorporated in to the Boost.Convert framework.
/// The converter can easily replace boost::lexical_cast, adding flexibility and convenience.

struct boost::cnv::lexical_cast
    template<typename TypeOut, typename TypeIn>
    operator()(TypeIn const& value_in, boost::optional<TypeOut>& result_out) const
            result_out = boost::lexical_cast<TypeOut>(value_in);
        catch (boost::bad_lexical_cast const&)