The convert(expr, compose, convs) function applies each of the conversions convs in order.

If a conversion conv is of type symbol, then the function convert(expr, conv) is called.  If the conversion conv(opts, ...) is of type function, then the function convert(expr, conv, opts, ...) is called.

$\mathrm{convert}\left(\mathrm{\pi }\,\mathrm{compose}\,\mathrm{list}\,\mathrm{float}\left(3\right)\right)$

$\left[3.14\right]$