-<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Headers (tiny_httpd.Tiny_httpd_core.Headers)</title><meta charset="utf-8"/><link rel="stylesheet" href="../../../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 3.0.0"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../../../index.html">Index</a> » <a href="../../index.html">tiny_httpd</a> » <a href="../index.html">Tiny_httpd_core</a> » Headers</nav><header class="odoc-preamble"><h1>Module <code><span>Tiny_httpd_core.Headers</span></code></h1><p>Headers</p><p>Headers are metadata associated with a request or response.</p></header><div class="odoc-content"><div class="odoc-spec"><div class="spec type anchored" id="type-t"><a href="#type-t" class="anchor"></a><code><span><span class="keyword">type</span> t</span><span> = <span><span>(string * string)</span> list</span></span></code></div><div class="spec-doc"><p>The header files of a request or response.</p><p>Neither the key nor the value can contain <code>'\r'</code> or <code>'\n'</code>. See https://tools.ietf.org/html/rfc7230#section-3.2</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-empty"><a href="#val-empty" class="anchor"></a><code><span><span class="keyword">val</span> empty : <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>Empty list of headers.</p><ul class="at-tags"><li class="since"><span class="at-tag">since</span> 0.5</li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get"><a href="#val-get" class="anchor"></a><code><span><span class="keyword">val</span> get : <span><span class="optlabel">?f</span>:<span>(<span>string <span class="arrow">-></span></span> string)</span> <span class="arrow">-></span></span> <span>string <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <span>string option</span></span></code></div><div class="spec-doc"><p><code>get k headers</code> looks for the header field with key <code>k</code>.</p><ul class="at-tags"><li class="parameter"><span class="at-tag">parameter</span> <span class="value">f</span> <p>if provided, will transform the value before it is returned.</p></li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get_exn"><a href="#val-get_exn" class="anchor"></a><code><span><span class="keyword">val</span> get_exn : <span><span class="optlabel">?f</span>:<span>(<span>string <span class="arrow">-></span></span> string)</span> <span class="arrow">-></span></span> <span>string <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> string</span></code></div><div class="spec-doc"><ul class="at-tags"><li class="raises"><span class="at-tag">raises</span> <code>Not_found</code> </li></ul></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-set"><a href="#val-set" class="anchor"></a><code><span><span class="keyword">val</span> set : <span>string <span class="arrow">-></span></span> <span>string <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>set k v headers</code> sets the key <code>k</code> to value <code>v</code>. It erases any previous entry for <code>k</code></p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-remove"><a href="#val-remove" class="anchor"></a><code><span><span class="keyword">val</span> remove : <span>string <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>Remove the key from the headers, if present.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-contains"><a href="#val-contains" class="anchor"></a><code><span><span class="keyword">val</span> contains : <span>string <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> bool</span></code></div><div class="spec-doc"><p>Is there a header with the given key?</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-pp"><a href="#val-pp" class="anchor"></a><code><span><span class="keyword">val</span> pp : <span><a href="../../../ocaml/Stdlib/Format/index.html#type-formatter">Stdlib.Format.formatter</a> <span class="arrow">-></span></span> <span><a href="#type-t">t</a> <span class="arrow">-></span></span> unit</span></code></div><div class="spec-doc"><p>Pretty print the headers.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-parse_"><a href="#val-parse_" class="anchor"></a><code><span><span class="keyword">val</span> parse_ : <span><span class="label">buf</span>:<a href="../Buf/index.html#type-t">Buf.t</a> <span class="arrow">-></span></span> <span><a href="../IO/Input/class-type-t/index.html">IO.Input.t</a> <span class="arrow">-></span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>/</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-parse_line_"><a href="#val-parse_line_" class="anchor"></a><code><span><span class="keyword">val</span> parse_line_ : <span>string <span class="arrow">-></span></span> <span><span>(string * string, string)</span> <a href="../../../ocaml/Stdlib/index.html#type-result">result</a></span></span></code></div><div class="spec-doc"><p>/</p></div></div></div></body></html>
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