ial">[</span><span class="identifier">buffer</span><span class="special">[</span><span class="identifier">a</span><span class="special">]]</span></pre>
<p>
            </p>
<p>
              will not generate any partial output from a generator <code class="computeroutput"><span class="identifier">a</span></code> if it fails generating in the middle
              of its output. The overall expression will still generate the output
              as produced by all succeeded invocations of the generator <code