<!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="A `World` manages objects that exist in “map-space”, the zoomable and pannable canvas. These objects can be drawn, hovered on, clicked, dragged, etc."><metaname="keywords"content="rust, rustlang, rust-lang, World"><title>World in widgetry::mapspace - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Regular.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Medium.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Bold.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Semibold.ttf.woff2"><linkrel="stylesheet"type="text/css"href="../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../ayu.css"disabled><linkrel="stylesheet"type="text/css"href="../../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../../light.css"id="themeStyle"><scriptid="default-settings"></script><scriptsrc="../../storage.js"></script><scriptsrc="../../crates.js"></script><scriptdefersrc="../../main.js"></script>
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</a><h2class="location"><ahref="#">World</a></h2><divclass="sidebar-elems"><section><divclass="block"><h3class="sidebar-title"><ahref="#fields">Fields</a></h3><ul><li><ahref="#structfield.dragging_from">dragging_from</a></li><li><ahref="#structfield.draw_master_batches">draw_master_batches</a></li><li><ahref="#structfield.hovering">hovering</a></li><li><ahref="#structfield.objects">objects</a></li><li><ahref="#structfield.quadtree">quadtree</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#implementations">Methods</a></h3><ul><li><ahref="#method.add">add</a></li><li><ahref="#method.add_unnamed">add_unnamed</a></li><li><ahref="#method.bounded">bounded</a></li><li><ahref="#method.calculate_hover">calculate_hover</a></li><li><ahref="#method.calculate_hovering">calculate_hovering</a></li><li><ahref="#method.delete">delete</a></li><li><ahref="#method.delete_before_replacement">delete_before_replacement</a></li><li><ahref="#method.draw">draw</a></li><li><ahref="#method.draw_master_batch">draw_master_batch</a></li><li><ahref="#method.draw_master_batch_built">draw_master_batch_built</a></li><li><ahref="#method.event">event</a></li><li><ahref="#method.get_hovered_keybindings">get_hovered_keybindings</a></li><li><ahref="#method.get_hovering">get_hovering</a></li><li><ahref="#method.initialize_hover">initialize_hover</a></li><li><ahref="#method.override_tooltip">override_tooltip</a></li><li><ahref="#method.rebuilt_during_drag">rebuilt_during_drag</a></li><li><ahref="#method.unbounded">unbounded</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><ahref="#impl-RefUnwindSafe">RefUnwindSafe</a></li><li><ahref="#impl-Send">!Send</a></li><li><ahref="#impl-Sync">!Sync</a></li><li><ahref="#impl-Unpin">Unpin</a></li><li><ahref="#impl-UnwindSafe">UnwindSafe</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#blanket-implementations">Blanket Implementations</a></h3><ul><li><ahref="#impl-Any">Any</a></li><li><ahref="#impl-Borrow%3CT%3E">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E">BorrowMut<T></a></li><li><ahref="#impl-Downcast">Downcast</a></li><li><ahref="#impl-From%3CT%3E">From<T></a></li><li><ahref="#impl-Instrument">Instrument</a></li><li><ahref="#impl-Into%3CU%3E">Into<U></a></li><li><ahref="#impl-Same%3CT%3E">Same<T></a></li><li><ahref="#impl-TryFrom%3CU%3E">TryFrom<U></a></li><li><ahref="#impl-TryInto%3CU%3E">TryInto<U></a></li></ul></div></section><h2class="location"><ahref="index.html">In widgetry::mapspace</a></h2><divid="sidebar-vars"data-name="World"data-ty="struct"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><main><divclass="width-limiter"><divclass="sub-container"><aclass="sub-logo-container"href="../../widgetry/index.html"><imgclass="rust-logo"src="../../rust-logo.svg"alt="logo"></a><navclass="sub"><divclass="theme-picker hidden"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="22"height="22"alt="Pick another theme!"src="../../brush.svg"></button><divid="theme-choices"role="menu"></div></div><formclass="search-form"><divclass="search-container"><span></span><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><buttontype="button"id="help-button"title="help">?</button><aid="settings-menu"href="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../wheel.svg"></a></div></form></nav></div><sectionid="main-content"class="content"><divclass="main-heading">
<h1class="fqn"><spanclass="in-band">Struct <ahref="../index.html">widgetry</a>::<wbr><ahref="index.html">mapspace</a>::<wbr><aclass="struct"href="#">World</a><buttonid="copy-path"onclick="copy_path(this)"title="Copy item path to clipboard"><imgsrc="../../clipboard.svg"width="19"height="18"alt="Copy item path"></button></span></h1><spanclass="out-of-band"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#20-31">source</a> · <aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass="inner">−</span>]</a></span></div><divclass="docblock item-decl"><preclass="rust struct"><code>pub struct World<ID: <aclass="trait"href="world/trait.ObjectID.html"title="trait widgetry::mapspace::world::ObjectID">ObjectID</a>> {
}</code></pre></div><detailsclass="rustdoc-toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>A <code>World</code> manages objects that exist in “map-space”, the zoomable and pannable canvas. These
</div></details><h2id="fields"class="fields small-section-header">Fields<ahref="#fields"class="anchor"></a></h2><spanid="structfield.objects"class="structfield small-section-header"><ahref="#structfield.objects"class="anchor field"></a><code>objects: <aclass="struct"href="https://doc.rust-lang.org/1.60.0/std/collections/hash/map/struct.HashMap.html"title="struct std::collections::hash::map::HashMap">HashMap</a><ID, <aclass="struct"href="world/struct.Object.html"title="struct widgetry::mapspace::world::Object">Object</a><ID>></code></span><spanid="structfield.quadtree"class="structfield small-section-header"><ahref="#structfield.quadtree"class="anchor field"></a><code>quadtree: QuadTree<ID></code></span><spanid="structfield.draw_master_batches"class="structfield small-section-header"><ahref="#structfield.draw_master_batches"class="anchor field"></a><code>draw_master_batches: <aclass="struct"href="https://doc.rust-lang.org/1.60.0/alloc/vec/struct.Vec.html"title="struct alloc::vec::Vec">Vec</a><<aclass="struct"href="struct.ToggleZoomed.html"title="struct widgetry::mapspace::ToggleZoomed">ToggleZoomed</a>></code></span><spanid="structfield.hovering"class="structfield small-section-header"><ahref="#structfield.hovering"class="anchor field"></a><code>hovering: <aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><ID></code></span><spanid="structfield.dragging_from"class="structfield small-section-header"><ahref="#structfield.dragging_from"class="anchor field"></a><code>dragging_from: <aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.tuple.html">(</a><aclass="struct"href="../../geom/pt/struct.Pt2D.html"title="struct geom::pt::Pt2D">Pt2D</a>, <aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.bool.html">bool</a><aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.tuple.html">)</a>></code></span><h2id="implementations"class="small-section-header">Implementations<ahref="#implementations"class="anchor"></a></h2><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#309-613">source</a></span><ahref="#impl"class="anchor"></a><h3class="code-header in-band">impl<ID: <aclass="trait"href="world/trait.ObjectID.html"title="trait widgetry::mapspace::world::ObjectID">ObjectID</a>><aclass="struct"href="world/struct.World.html"title="struct widgetry::mapspace::world::World">World</a><ID></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.unbounded"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#311-324">source</a></span><ahref="#method.unbounded"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.unbounded"class="fnname">unbounded</a>() -><aclass="struct"href="world/struct.World.html"title="struct widgetry::mapspace::world::World">World</a><ID></h4></section></summary><divclass="docblock"><p>Creates an empty <code>World</code>, whose objects can exist anywhere from (0, 0) to the max f64.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.bounded"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#327-337">source</a></span><ahref="#method.bounded"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.bounded"class="fnname">bounded</a>(bounds: &<aclass="struct"href="../../geom/bounds/struct.Bounds.html"title="struct geom::bounds::Bounds">Bounds</a>) -><aclass="struct"href="world/struct.World.html"title="struct widgetry::mapspace::world::World">World</a><ID></h4></section></summary><divclass="docblock"><p>Creates an empty <code>World</code>, whose objects can exist in the provided rectangular boundary.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.add"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#341-356">source</a></span><ahref="#method.add"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.add"class="fnname">add</a>(&mut self, id: ID) -><aclass="struct"href="world/struct.ObjectBuilder.html"title="struct widgetry::mapspace::world::ObjectBuilder">ObjectBuilder</a><'_, ID></h4></section></summary><divclass="docblock"><p>Start adding an object to the <code>World</code>. The caller should specify the object with methods on
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.delete"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#360-369">source</a></span><ahref="#method.delete"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.delete"class="fnname">delete</a>(&mut self, id: ID)</h4></section></summary><divclass="docblock"><p>Delete an object. Not idempotent – this will panic if the object doesn’t exist. Will panic
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.delete_before_replacement"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#373-383">source</a></span><ahref="#method.delete_before_replacement"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.delete_before_replacement"class="fnname">delete_before_replacement</a>(&mut self, id: ID)</h4></section></summary><divclass="docblock"><p>Delete an object, with the promise to recreate it with the same ID before the next call to
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.initialize_hover"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#391-396">source</a></span><ahref="#method.initialize_hover"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.initialize_hover"class="fnname">initialize_hover</a>(&mut self, ctx: &<aclass="struct"href="../event_ctx/struct.EventCtx.html"title="struct widgetry::event_ctx::EventCtx">EventCtx</a><'_>)</h4></section></summary><divclass="docblock"><p>After adding all objects to a <code>World</code>, call this to initially detect if the cursor is
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.rebuilt_during_drag"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#405-411">source</a></span><ahref="#method.rebuilt_during_drag"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.rebuilt_during_drag"class="fnname">rebuilt_during_drag</a>(&mut self, prev_world: &<aclass="struct"href="world/struct.World.html"title="struct widgetry::mapspace::world::World">World</a><ID>)</h4></section></summary><divclass="docblock"><p>If a drag event causes the world to be totally rebuilt, call this with the previous world
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.draw_master_batch"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#415-417">source</a></span><ahref="#method.draw_master_batch"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.draw_master_batch"class="fnname">draw_master_batch</a><I: <aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><<aclass="struct"href="struct.ToggleZoomedBuilder.html"title="struct widgetry::mapspace::ToggleZoomedBuilder">ToggleZoomedBuilder</a>>>(<br> &mut self, <br> ctx: &<aclass="struct"href="../event_ctx/struct.EventCtx.html"title="struct widgetry::event_ctx::EventCtx">EventCtx</a><'_>, <br> draw: I<br>)</h4></section></summary><divclass="docblock"><p>Draw something underneath all objects. This is useful for performance, when a large number
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.draw_master_batch_built"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#420-422">source</a></span><ahref="#method.draw_master_batch_built"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.draw_master_batch_built"class="fnname">draw_master_batch_built</a>(&mut self, draw: <aclass="struct"href="struct.ToggleZoomed.html"title="struct widgetry::mapspace::ToggleZoomed">ToggleZoomed</a>)</h4></section></summary><divclass="docblock"><p>Like <code>draw_master_batch</code>, but for already-built objects.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.event"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#425-526">source</a></span><ahref="#method.event"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.event"class="fnname">event</a>(&mut self, ctx: &mut <aclass="struct"href="../event_ctx/struct.EventCtx.html"title="struct widgetry::event_ctx::EventCtx">EventCtx</a><'_>) -><aclass="enum"href="world/enum.WorldOutcome.html"title="enum widgetry::mapspace::world::WorldOutcome">WorldOutcome</a><ID></h4></section></summary><divclass="docblock"><p>Let objects in the world respond to something happening.</p>
</div></details><sectionid="method.calculate_hover"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#528-549">source</a></span><ahref="#method.calculate_hover"class="anchor"></a><h4class="code-header">fn <ahref="#method.calculate_hover"class="fnname">calculate_hover</a>(&self, cursor: <aclass="struct"href="../../geom/pt/struct.Pt2D.html"title="struct geom::pt::Pt2D">Pt2D</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><ID></h4></section><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.draw"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#552-580">source</a></span><ahref="#method.draw"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.draw"class="fnname">draw</a>(&self, g: &mut <aclass="struct"href="../drawing/struct.GfxCtx.html"title="struct widgetry::drawing::GfxCtx">GfxCtx</a><'_>)</h4></section></summary><divclass="docblock"><p>Draw objects in the world that’re currently visible.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.get_hovering"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#583-585">source</a></span><ahref="#method.get_hovering"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.get_hovering"class="fnname">get_hovering</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><ID></h4></section></summary><divclass="docblock"><p>Returns the object currently hovered on.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.override_tooltip"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#588-595">source</a></span><ahref="#method.override_tooltip"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.override_tooltip"class="fnname">override_tooltip</a>(&mut self, id: <aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.reference.html">&</a>ID, tooltip: <aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="struct"href="../text/struct.Text.html"title="struct widgetry::text::Text">Text</a>>) -><aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass="docblock"><p>Change an object’s tooltip. Returns true for success, false if the object didn’t exist.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.calculate_hovering"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#600-606">source</a></span><ahref="#method.calculate_hovering"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.calculate_hovering"class="fnname">calculate_hovering</a>(&self, ctx: &<aclass="struct"href="../event_ctx/struct.EventCtx.html"title="struct widgetry::event_ctx::EventCtx">EventCtx</a><'_>) -><aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><ID></h4></section></summary><divclass="docblock"><p>Calculate the object currently underneath the cursor. This should only be used when the
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.get_hovered_keybindings"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/widgetry/mapspace/world.rs.html#610-612">source</a></span><ahref="#method.get_hovered_keybindings"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.get_hovered_keybindings"class="fnname">get_hovered_keybindings</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><&<aclass="struct"href="https://doc.rust-lang.org/1.60.0/alloc/vec/struct.Vec.html"title="struct alloc::vec::Vec">Vec</a><<aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.tuple.html">(</a><aclass="enum"href="../event/enum.MultiKey.html"title="enum widgetry::event::MultiKey">MultiKey</a>, &'static <aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.str.html">str</a><aclass="primitive"href="https://doc.rust-lang.org/1.60.0/std/primitive.tuple.html">)</a>>></h4></section></summary><divclass="docblock"><p>If an object is currently being hovered on, return its keybindings. This should be used to
then be further <code>downcast</code> into <code>Box<ConcreteType></code> where <code>ConcreteType</code> implements <code>Trait</code>. <ahref="#tymethod.into_any">Read more</a></p>
further <code>downcast</code> into <code>Rc<ConcreteType></code> where <code>ConcreteType</code> implements <code>Trait</code>. <ahref="#tymethod.into_any_rc">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-From%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#553-558">source</a></span><ahref="#impl-From%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.from"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#555">source</a></span><ahref="#method.from"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/1.60.0/core/convert/trait.From.html#tymethod.from"class="fnname">from</a>(t: T) -> T</h4></section></summary><divclass="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Instrument"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#155">source</a></span><ahref="#impl-Instrument"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.instrument"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#38">source</a></span><ahref="#method.instrument"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.instrument"class="fnname">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.26/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'><p>Instruments this type with the provided <code>Span</code>, returning an
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.in_current_span"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#74">source</a></span><ahref="#method.in_current_span"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fnname">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'><p>Instruments this type with the <ahref="../struct.Span.html#method.current">current</a><code>Span</code>, returning an
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Into%3CU%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#537-548">source</a></span><ahref="#impl-Into%3CU%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.From.html"title="trait core::convert::From">From</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.into"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#545">source</a></span><ahref="#method.into"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/1.60.0/core/convert/trait.Into.html#tymethod.into"class="fnname">into</a>(self) -> U</h4></section></summary><divclass="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><ahref="https://doc.rust-lang.org/1.60.0/core/convert/trait.From.html"title="From">From</a><T> for U</code> chooses to do.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Same%3CT%3E"class="impl has-srclink"><ahref="#impl-Same%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T> Same<T> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Output"class="type trait-impl has-srclink"><ahref="#associatedtype.Output"class="anchor"></a><h4class="code-header">type <ahref="#associatedtype.Output"class="associatedtype">Output</a> = T</h4></section></summary><divclass='docblock'><p>Should always be <code>Self</code></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-TryFrom%3CU%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#594-603">source</a></span><ahref="#impl-TryFrom%3CU%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error"class="type trait-impl has-srclink"><ahref="#associatedtype.Error"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></section></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#600">source</a></span><ahref="#method.try_from"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html#tymethod.try_from"class="fnname">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'><p>Performs the conversion.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-TryInto%3CU%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#579-588">source</a></span><ahref="#impl-TryInto%3CU%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error-1"class="type trait-impl has-srclink"><ahref="#associatedtype.Error-1"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.try_into"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/1.60.0/src/core/convert/mod.rs.html#585">source</a></span><ahref="#method.try_into"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryInto.html#tymethod.try_into"class="fnname">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.60.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.60.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'><p>Performs the conversion.</p>
