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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Build_path_prefix_map (ocaml.Build_path_prefix_map)</title><meta charset="utf-8"/><link rel="stylesheet" href="../../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 2.4.1"/><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">ocaml</a> &#x00BB; Build_path_prefix_map</nav><header class="odoc-preamble"><h1>Module <code><span>Build_path_prefix_map</span></code></h1><p>Rewrite paths for reproducible builds</p><p><b>Warning:</b> this module is unstable and part of <span class="xref-unresolved" title="Compiler_libs">compiler-libs</span>.</p></header><div class="odoc-content"><div class="odoc-spec"><div class="spec type anchored" id="type-path"><a href="#type-path" class="anchor"></a><code><span><span class="keyword">type</span> path</span><span> = string</span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-path_prefix"><a href="#type-path_prefix" class="anchor"></a><code><span><span class="keyword">type</span> path_prefix</span><span> = string</span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-error_message"><a href="#type-error_message" class="anchor"></a><code><span><span class="keyword">type</span> error_message</span><span> = string</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-encode_prefix"><a href="#val-encode_prefix" class="anchor"></a><code><span><span class="keyword">val</span> encode_prefix : <span><a href="#type-path_prefix">path_prefix</a> <span class="arrow">&#45;&gt;</span></span> string</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-decode_prefix"><a href="#val-decode_prefix" class="anchor"></a><code><span><span class="keyword">val</span> decode_prefix : <span>string <span class="arrow">&#45;&gt;</span></span> <span><span>(<a href="#type-path_prefix">path_prefix</a>, <a href="#type-error_message">error_message</a>)</span> <a href="../Stdlib/index.html#type-result">Stdlib.result</a></span></span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-pair"><a href="#type-pair" class="anchor"></a><code><span><span class="keyword">type</span> pair</span><span> = </span><span>{</span></code><ol><li id="type-pair.target" class="def record field anchored"><a href="#type-pair.target" class="anchor"></a><code><span>target : <a href="#type-path_prefix">path_prefix</a>;</span></code></li><li id="type-pair.source" class="def record field anchored"><a href="#type-pair.source" class="anchor"></a><code><span>source : <a href="#type-path_prefix">path_prefix</a>;</span></code></li></ol><code><span>}</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-encode_pair"><a href="#val-encode_pair" class="anchor"></a><code><span><span class="keyword">val</span> encode_pair : <span><a href="#type-pair">pair</a> <span class="arrow">&#45;&gt;</span></span> string</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-decode_pair"><a href="#val-decode_pair" class="anchor"></a><code><span><span class="keyword">val</span> decode_pair : <span>string <span class="arrow">&#45;&gt;</span></span> <span><span>(<a href="#type-pair">pair</a>, <a href="#type-error_message">error_message</a>)</span> <a href="../Stdlib/index.html#type-result">Stdlib.result</a></span></span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-map"><a href="#type-map" class="anchor"></a><code><span><span class="keyword">type</span> map</span><span> = <span><span><a href="#type-pair">pair</a> option</span> list</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-encode_map"><a href="#val-encode_map" class="anchor"></a><code><span><span class="keyword">val</span> encode_map : <span><a href="#type-map">map</a> <span class="arrow">&#45;&gt;</span></span> string</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-decode_map"><a href="#val-decode_map" class="anchor"></a><code><span><span class="keyword">val</span> decode_map : <span>string <span class="arrow">&#45;&gt;</span></span> <span><span>(<a href="#type-map">map</a>, <a href="#type-error_message">error_message</a>)</span> <a href="../Stdlib/index.html#type-result">Stdlib.result</a></span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-rewrite_opt"><a href="#val-rewrite_opt" class="anchor"></a><code><span><span class="keyword">val</span> rewrite_opt : <span><a href="#type-map">map</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-path">path</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-path">path</a> option</span></span></code></div><div class="spec-doc"><p><code>rewrite_opt map path</code> tries to find a source in <code>map</code> that is a prefix of the input <code>path</code>. If it succeeds, it replaces this prefix with the corresponding target. If it fails, it just returns <code>None</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-rewrite"><a href="#val-rewrite" class="anchor"></a><code><span><span class="keyword">val</span> rewrite : <span><a href="#type-map">map</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-path">path</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-path">path</a></span></code></div></div></div></body></html>