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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="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><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 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"><p class="location"><a href="../../index.html">map_model</a>::<wbr><a href="../index.html">make</a>::<wbr><a href="index.html">turns</a></p><div id="sidebar-vars" data-name="verify_vehicle_connectivity" data-ty="fn" data-relpath=""></div><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" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><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" height="18" alt="Change settings"></a></div></form></nav><section id="main" 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)">⎘</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#96-136" title="goto source code">[src]</a></span></h1><pre class="rust fn">pub fn verify_vehicle_connectivity(<br> turns: <a class="primitive" href="https://doc.rust-lang.org/nightly/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/nightly/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/nightly/std/primitive.unit.html">()</a>></pre><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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