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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="API documentation for the Rust `get_possible_policies` fn in crate `map_model`."><meta name="keywords" content="rust, rustlang, rust-lang, get_possible_policies"><title>map_model::make::traffic_signals::get_possible_policies - 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><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</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"><p class="location"><a href="../../index.html">map_model</a>::<wbr><a href="../index.html">make</a>::<wbr><a href="index.html">traffic_signals</a></p><script>window.sidebarCurrent = {name: "get_possible_policies", ty: "fn", relpath: ""};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><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.rs.html#17-98" title="goto source code">[src]</a></span><span 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></span></h1><pre class="rust fn">pub fn get_possible_policies(<br> map: &<a class="struct" href="../../../map_model/struct.Map.html" title="struct map_model::Map">Map</a>, <br> id: <a class="struct" href="../../../map_model/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/nightly/std/primitive.bool.html">bool</a><br>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="../../../map_model/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/nightly/std/primitive.tuple.html">)</a>></pre><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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