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<link title="Netsmtp" rel="Chapter" href="Netsmtp.html"><title>Ocamlnet 2 Reference Manual : Netmime.basic_mime_header</title>
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<center><h1>Class <a href="type_Netmime.basic_mime_header.html">Netmime.basic_mime_header</a></h1></center>
<br>
<pre><span class="keyword">class</span> <a name="TYPEbasic_mime_header"></a>basic_mime_header : <code class="type">?ro:bool -> (string * string) list -> </code><code class="type"><a href="Netmime.mime_header.html">mime_header</a></code></pre>An implementation of <code class="code">mime_header</code>.
<p>
The argument is the list of (name,value) pairs of the header.
<p>
Example: Create a MIME header with only the field "Content-type":
<pre><code class="code"> let h = new basic_mime_header ["content-type", "text/plain"] </code></pre>
<p>
Example: Set the field "Subject":
<pre><code class="code"> h # update_field "subject" "The value of this field" </code></pre>
<p>
This <code class="code">mime_header</code> implementation bases on a mixture of a <code class="code">Map</code> data
structure and a doubly linked list. The efficiency of the operations
(n=number of fields; m=average number of values per field;
n*m=total number of values):<ul>
<li><code class="code">new</code>, <code class="code">set_fields</code>: O(m * n * log n), but the construction of the dictionary
is deferred until the first real access</li>
<li><code class="code">field</code>: O(log n)</li>
<li><code class="code">multiple_field</code>: O(log n + m)</li>
<li><code class="code">fields</code>: O(n * m)</li>
<li><code class="code">update_field</code>, <code class="code">update_multiple_field</code>: O(log n + m)</li>
<li><code class="code">delete_field</code>: O(n + m)</li>
</ul>
<br>
<div class="param_info"><code class="code">ro</code> : whether the header is read-only (default: false)</div>
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