The convert(x, ByteArray) command takes a string or container object and produces a ByteArray object with content equivalent to the input.

If expr is a string, it can always be converted to a ByteArray.

If expr is an Array, list, or set, it will be converted to a ByteArray if all the contents of expr are integers between -128 and 127.  Otherwise, an error will be issued.

$\mathrm{convert}\left(\left[1\,2\,3\right]\,\mathrm{ByteArray}\right)$

$\left[\begin{array}{ccc}1& 2& 3\end{array}\right]$

$\mathrm{convert}\left(''Hello,\; world''\,\mathrm{ByteArray}\right)$

$\left[\begin{array}{cccccccccccc}72& 101& 108& 108& 111& 44& 32& 119& 111& 114& 108& 100\end{array}\right]$

The convert/ByteArray command was introduced in Maple 2015.

For more information on Maple 2015 changes, see Updates in Maple 2015.