Function template hex

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## Function template hex

boost::algorithm::hex — Converts a sequence of integral types into a hexadecimal sequence of characters.

## Synopsis

    // In header: <boost/algorithm/hex.hpp>

    template<typename Range, typename OutputIterator>
      unspecified hex(const Range & r, OutputIterator out);

## Description

| Note
Based on the MySQL function of the same name

Parameters:

`out` | An output iterator to the results into
`r` | The input range

Returns: | The updated output iterator