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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="Ideally, we want every incoming lane to lead to at least one lane of the same type, and every outgoing lane to be reachable by at least one lane of the same type. But if it’s a bus or bike lane, settle for being connected to anything – even just a driving lane. There’s naturally places where these dedicated lanes start and end."><meta name="keywords" content="rust, rustlang, rust-lang, verify_vehicle_connectivity"><title>verify_vehicle_connectivity in map_model::make::turns - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><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="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><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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</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">turns</a></h2><div id="sidebar-vars" data-name="verify_vehicle_connectivity" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../map_model/index.html"><img class="rust-logo" src="../../../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><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" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">map_model</a>::<wbr><a href="../index.html">make</a>::<wbr><a href="index.html">turns</a>::<wbr><a class="fn" href="#">verify_vehicle_connectivity</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/turns.rs.html#97-137" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust fn"><code>pub fn verify_vehicle_connectivity(<br> turns: <a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.slice.html">&[</a><a class="struct" href="../../objects/turn/struct.Turn.html" title="struct map_model::objects::turn::Turn">Turn</a><a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.slice.html">]</a>, <br> i: &<a class="struct" href="../../objects/intersection/struct.Intersection.html" title="struct map_model::objects::intersection::Intersection">Intersection</a>, <br> map: &<a class="struct" href="../../struct.Map.html" title="struct map_model::Map">Map</a><br>) -> <a class="type" href="https://docs.rs/anyhow/1.0.41/anyhow/type.Result.html" title="type anyhow::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.59.0/std/primitive.unit.html">()</a>></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Ideally, we want every incoming lane to lead to at least one lane of the same type, and every
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outgoing lane to be reachable by at least one lane of the same type. But if it’s a bus or bike
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lane, settle for being connected to anything – even just a driving lane. There’s naturally
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places where these dedicated lanes start and end.</p>
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<p>Why is this definition strict for driving lanes connected to other driving lanes? See
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https://www.openstreetmap.org/node/491979474 for a motivating example. When a dedicated bike
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path crosses a road with turn restrictions marked on a segment before the intersection, the
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turn restrictions <em>probably</em> indicate the vehicle movements allowed further on, and <em>don’t</em>
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describe the turns between the road and the trail.</p>
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