<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="Serializes a BTreeMap as a list of tuples. Necessary when the keys are structs; see https://github.com/serde-rs/json/issues/402."><metaname="keywords"content="rust, rustlang, rust-lang, serialize_btreemap"><title>abstutil::serde::serialize_btreemap - Rust</title><linkrel="stylesheet"type="text/css"href="../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../light.css"id="themeStyle"><linkrel="stylesheet"type="text/css"href="../../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../../ayu.css"disabled><scriptid="default-settings"></script><scriptsrc="../../storage.js"></script><scriptsrc="../../crates.js"></script><noscript><linkrel="stylesheet"href="../../noscript.css"></noscript><linkrel="icon"type="image/svg+xml"href="../../favicon.svg">
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<aid="settings-menu"href="../../settings.html"><imgsrc="../../wheel.svg"width="18"height="18"alt="Change settings"></a></div></form></nav><sectionid="main"class="content"><h1class="fqn"><spanclass="in-band">Function <ahref="../index.html">abstutil</a>::<wbr><ahref="index.html">serde</a>::<wbr><aclass="fn"href="">serialize_btreemap</a></span><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></h1><preclass="rust fn">pub fn serialize_btreemap<S: <aclass="trait"href="https://docs.rs/serde/1.0.123/serde/ser/trait.Serializer.html"title="trait serde::ser::Serializer">Serializer</a>, K: <aclass="trait"href="https://docs.rs/serde/1.0.123/serde/ser/trait.Serialize.html"title="trait serde::ser::Serialize">Serialize</a>, V: <aclass="trait"href="https://docs.rs/serde/1.0.123/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/1.0.38/anyhow/type.Result.html"title="type anyhow::Result">Result</a><S::<aclass="type"href="https://docs.rs/serde/1.0.123/serde/ser/trait.Serializer.html#associatedtype.Ok"title="type serde::ser::Serializer::Ok">Ok</a>, S::<aclass="type"href="https://docs.rs/serde/1.0.123/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
