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<link title="Netsmtp" rel="Chapter" href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Netchannels.input_filter</title>
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<center><h1>Class <a href="type_Netchannels.input_filter.html">Netchannels.input_filter</a></h1></center>
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<pre><span class="keyword">class</span> <a name="TYPEinput_filter"></a>input_filter : <code class="type"><a href="Netchannels.in_obj_channel.html">in_obj_channel</a> -> <a href="Netchannels.io_obj_channel.html">io_obj_channel</a> -> </code><code class="type"><a href="Netchannels.in_obj_channel.html">in_obj_channel</a></code></pre>An <code class="code">input_filter</code> filters the data read from it through the
<code class="code">io_obj_channel</code> (usually a <code class="code">pipe</code> after the data have been
retrieved from the passed <code class="code">in_obj_channel</code>.
<p>
An <code class="code">input_filter</code> object never generates <code class="code">Buffer_underrun</code> exceptions.
However, if the passed <code class="code">in_obj_channel</code> or <code class="code">io_obj_channel</code> raises such
an exception, the exception will fall through the calling chain.
<p>
If the filter is closed, the <code class="code">io_obj_channel</code> will be closed, too,
but not the source <code class="code">in_obj_channel</code> (so you can still read further
data from it).<br>
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