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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Applies a bunch of heuristics to a single intersection, returning the valid results in best-first order. The signal configuration is only based on the roads connected to the intersection."><meta name="keywords" content="rust, rustlang, rust-lang, get_possible_policies"><title>get_possible_policies in map_model::make::traffic_signals - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled ><script id="default-settings" ></script><script src="../../../storage.js"></script><script src="../../../crates.js"></script><script defer src="../../../main.js"></script>
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<noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../../../map_model/index.html'><div class='logo-container rust-logo'><img src='../../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><h2 class="location">Other items in<br><a href="../../index.html">map_model</a>::<wbr><a href="../index.html">make</a>::<wbr><a href="index.html">traffic_signals</a></h2><div id="sidebar-vars" 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class="in-band">Function <a href="../../index.html">map_model</a>::<wbr><a href="../index.html">make</a>::<wbr><a href="index.html">traffic_signals</a>::<wbr><a class="fn" href="#">get_possible_policies</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span><a class="srclink" href="../../../src/map_model/make/traffic_signals/mod.rs.html#25-103" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust fn"><code>pub fn get_possible_policies(<br> map: &<a class="struct" href="../../struct.Map.html" title="struct map_model::Map">Map</a>, <br> id: <a class="struct" href="../../objects/intersection/struct.IntersectionID.html" title="struct map_model::objects::intersection::IntersectionID">IntersectionID</a>, <br> enforce_manual_signals: <a class="primitive" href="https://doc.rust-lang.org/1.58.1/std/primitive.bool.html">bool</a><br>) -> <a class="struct" href="https://doc.rust-lang.org/1.58.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/1.58.1/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/1.58.1/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="../../objects/traffic_signals/struct.ControlTrafficSignal.html" title="struct map_model::objects::traffic_signals::ControlTrafficSignal">ControlTrafficSignal</a><a class="primitive" href="https://doc.rust-lang.org/1.58.1/std/primitive.tuple.html">)</a>><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<div class="notable-traits-tooltiptext"><span class="docblock"><div class="notable">Notable traits for <a class="struct" href="https://doc.rust-lang.org/1.58.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/1.58.1/std/primitive.u8.html">u8</a>, A></div><code class="content"><span class="where fmt-newline">impl<A> <a class="trait" href="https://doc.rust-lang.org/1.58.1/std/io/trait.Write.html" title="trait std::io::Write">Write</a> for <a class="struct" href="https://doc.rust-lang.org/1.58.1/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/1.58.1/std/primitive.u8.html">u8</a>, A> <span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/1.58.1/core/alloc/trait.Allocator.html" title="trait core::alloc::Allocator">Allocator</a>, </span></span></code></span></div></span></span></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Applies a bunch of heuristics to a single intersection, returning the valid results in
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best-first order. The signal configuration is only based on the roads connected to the
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intersection.</p>
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<p>If <code>enforce_manual_signals</code> is true, then any data from the <code>traffic_signal_data</code> crate that
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matches the map will be validated against the current map. If the config is out-of-date, this
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method will panic, so that whoever is running the importer can immediately fix the config.</p>
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