                    <td><a class='fn' href='fn.usable_size.html'
                               title='alloc::heap::usable_size'>usable_size</a></td>
                        <td class='docblock short'>
                            [<em class='stab unstable'>Unstable</em>] <p>Returns the usable size of an allocation created with the specified the
<code>size</code> and <code>align</code>.</p>

                        </td>
                    </tr>
                </table></section>
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