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<h1>Module <a href="type_Fd_by_descr.html">Fd_by_descr</a></h1>
<pre><span class="keyword">module</span> Fd_by_descr: <code class="code">sig</code> <a href="Fd_by_descr.html">..</a> <code class="code">end</code></pre><div class="info module top">
<code class="code">Fd_by_descr</code> is a table of the open <code class="code">Fd.t</code>s, indexed by file descriptor number.
<p>
In this interface, we use <code class="code">Raw_fd.t</code> rather than <code class="code">Fd.t</code> to avoid a dependency cycle,
because the <code class="code">Fd</code> module can't be defined yet.<br>
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<pre><span id="TYPEt"><span class="keyword">type</span> <code class="type"></code>t</span> </pre>
<pre><span class="keyword">include</span> Invariant.S</pre>
<pre><span id="VALcreate"><span class="keyword">val</span> create</span> : <code class="type">num_file_descrs:int -> <a href="Fd_by_descr.html#TYPEt">t</a></code></pre>
<pre><span id="VALadd_exn"><span class="keyword">val</span> add_exn</span> : <code class="type"><a href="Fd_by_descr.html#TYPEt">t</a> -> Raw_fd.t -> unit</code></pre><div class="info ">
<code class="code">add_exn t fd</code> fails if the file descriptor for <code class="code">fd</code> is already in <code class="code">t</code>.<br>
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<pre><span id="VALfind"><span class="keyword">val</span> find</span> : <code class="type"><a href="Fd_by_descr.html#TYPEt">t</a> -> Import.File_descr.t -> Raw_fd.t option</code></pre>
<pre><span id="VALremove"><span class="keyword">val</span> remove</span> : <code class="type"><a href="Fd_by_descr.html#TYPEt">t</a> -> Raw_fd.t -> unit</code></pre>
<pre><span id="VALfold"><span class="keyword">val</span> fold</span> : <code class="type"><a href="Fd_by_descr.html#TYPEt">t</a> -> init:'a -> f:('a -> Raw_fd.t -> 'a) -> 'a</code></pre>
<pre><span id="VALiter"><span class="keyword">val</span> iter</span> : <code class="type"><a href="Fd_by_descr.html#TYPEt">t</a> -> f:(Raw_fd.t -> unit) -> unit</code></pre>
<pre><span id="VALsexp_of_t"><span class="keyword">val</span> sexp_of_t</span> : <code class="type"><a href="Fd_by_descr.html#TYPEt">t</a> -> Sexplib.Sexp.t</code></pre><br>
<code class="code">add_exn t fd</code> fails if the file descriptor for <code class="code">fd</code> is already in <code class="code">t</code>.<br>
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