<linkrel="alternate icon"type="image/png"href="../favicon-32x32.png"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><bodyclass="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../abstutil/index.html'><divclass='logo-container rust-logo'><imgsrc='../rust-logo.png'alt='logo'></div></a><divclass="sidebar-elems"><pclass="location"><ahref="index.html">abstutil</a></p><script>window.sidebarCurrent={name:"serialize_btreemap",ty:"fn",relpath:""};</script><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"><imgsrc="../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"role="menu"></div></div><scriptsrc="../theme.js"></script><navclass="sub"><formclass="search-form"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"disabledautocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><spanclass="help-button">?</span>
<aid="settings-menu"href="../settings.html"><imgsrc="../wheel.svg"width="18"alt="Change settings"></a></div></form></nav><sectionid="main"class="content"><h1class="fqn"><spanclass="out-of-band"><spanid="render-detail"><aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass="inner">−</span>]</a></span><aclass="srclink"href="../src/abstutil/serde.rs.html#48-53"title="goto source code">[src]</a></span><spanclass="in-band">Function <ahref="index.html">abstutil</a>::<wbr><aclass="fn"href="">serialize_btreemap</a></span></h1><preclass="rust fn">pub fn serialize_btreemap<S: <aclass="trait"href="https://docs.rs/serde/1.0.118/serde/ser/trait.Serializer.html"title="trait serde::ser::Serializer">Serializer</a>, K: <aclass="trait"href="https://docs.rs/serde/1.0.118/serde/ser/trait.Serialize.html"title="trait serde::ser::Serialize">Serialize</a>, V: <aclass="trait"href="https://docs.rs/serde/1.0.118/serde/ser/trait.Serialize.html"title="trait serde::ser::Serialize">Serialize</a>>(<br> map: &<aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/collections/btree/map/struct.BTreeMap.html"title="struct alloc::collections::btree::map::BTreeMap">BTreeMap</a><K, V>, <br> s: S<br>) -><aclass="type"href="https://docs.rs/anyhow/1.0.37/anyhow/type.Result.html"title="type anyhow::Result">Result</a><S::<aclass="type"href="https://docs.rs/serde/1.0.118/serde/ser/trait.Serializer.html#associatedtype.Ok"title="type serde::ser::Serializer::Ok">Ok</a>, S::<aclass="type"href="https://docs.rs/serde/1.0.118/serde/ser/trait.Serializer.html#associatedtype.Error"title="type serde::ser::Serializer::Error">Error</a>></pre><divclass="docblock"><p>Serializes a BTreeMap as a list of tuples. Necessary when the keys are structs; see
