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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="API documentation for the Rust `EventCtx` struct in crate `widgetry`."><meta name="keywords" content="rust, rustlang, rust-lang, EventCtx"><title>widgetry::EventCtx - 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="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../widgetry/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Struct EventCtx</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#fields">Fields</a><div class="sidebar-links"><a href="#structfield.canvas">canvas</a><a href="#structfield.fake_mouseover">fake_mouseover</a><a href="#structfield.input">input</a><a href="#structfield.prerender">prerender</a><a href="#structfield.style">style</a><a href="#structfield.updates_requested">updates_requested</a></div><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.canvas_movement">canvas_movement</a><a href="#method.cursor_clickable">cursor_clickable</a><a href="#method.default_line_height">default_line_height</a><a href="#method.is_dragging">is_dragging</a><a href="#method.loading_screen">loading_screen</a><a href="#method.no_op_event">no_op_event</a><a href="#method.normal_left_click">normal_left_click</a><a href="#method.redo_mouseover">redo_mouseover</a><a href="#method.request_update">request_update</a><a href="#method.set_style">set_style</a><a href="#method.style">style</a><a href="#method.upload">upload</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Send">!Send</a><a href="#impl-Sync">!Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-Downcast">Downcast</a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a><a href="#impl-VZip%3CV%3E">VZip<V></a></div></div><p class='location'><a href='index.html'>widgetry</a></p><script>window.sidebarCurrent = {name: 'EventCtx', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><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><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><sec
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pub(crate) fake_mouseover: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>,
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pub input: <a class="struct" href="../widgetry/struct.UserInput.html" title="struct widgetry::UserInput">UserInput</a>,
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pub canvas: &'a mut <a class="struct" href="../widgetry/struct.Canvas.html" title="struct widgetry::Canvas">Canvas</a>,
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pub prerender: &'a <a class="struct" href="../widgetry/struct.Prerender.html" title="struct widgetry::Prerender">Prerender</a>,
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pub(crate) style: &'a mut <a class="struct" href="../widgetry/struct.Style.html" title="struct widgetry::Style">Style</a>,
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pub(crate) updates_requested: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="enum" href="../widgetry/enum.UpdateType.html" title="enum widgetry::UpdateType">UpdateType</a>>,
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}</pre></div><h2 id='fields' class='fields small-section-header'>
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Fields<a href='#fields' class='anchor'></a></h2><span id="structfield.fake_mouseover" class="structfield small-section-header"><a href="#structfield.fake_mouseover" class="anchor field"></a><code>fake_mouseover: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code></span><span id="structfield.input" class="structfield small-section-header"><a href="#structfield.input" class="anchor field"></a><code>input: <a class="struct" href="../widgetry/struct.UserInput.html" title="struct widgetry::UserInput">UserInput</a></code></span><span id="structfield.canvas" class="structfield small-section-header"><a href="#structfield.canvas" class="anchor field"></a><code>canvas: &'a mut <a class="struct" href="../widgetry/struct.Canvas.html" title="struct widgetry::Canvas">Canvas</a></code></span><span id="structfield.prerender" class="structfield small-section-header"><a href="#structfield.prerender" class="anchor field"></a><code>prerender: &'a <a class="struct" href="../widgetry/struct.Prerender.html" title="struct widgetry::Prerender">Prerender</a></code></span><span id="structfield.style" class="structfield small-section-header"><a href="#structfield.style" class="anchor field"></a><code>style: &'a mut <a class="struct" href="../widgetry/struct.Style.html" title="struct widgetry::Style">Style</a></code></span><span id="structfield.updates_requested" class="structfield small-section-header"><a href="#structfield.updates_requested" class="anchor field"></a><code>updates_requested: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="enum" href="../widgetry/enum.UpdateType.html" title="enum widgetry::UpdateType">UpdateType</a>></code></span><h2 id='implementations' class='small-section-header'>Implementations<a href='#implementations' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl<'a> <a class="struct" href="../widgetry/struct.EventCtx.html" title="struct widgetry::EventCtx">EventCtx</a><'a></code><a href='#impl' class='anchor'></a><a class='srclink' href='../src/widgetry/event_ctx.rs.html#33-128' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.loading_screen' class="method"><code>pub fn <a href='#method.loading_screen' class='fnname'>loading_screen</a><O, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>, F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&mut <a class="struct" href="../widgetry/struct.EventCtx.html" title="struct widgetry::EventCtx">EventCtx</a>, &mut <a class="struct" href="../abstutil/time/struct.Timer.html" title="struct abstutil::time::Timer">Timer</a>) -> O>(<br> &mut self, <br> raw_timer_name: S, <br> f: F<br>) -> O</code><a class='srclink' href='../src/widgetry/event_ctx.rs.html#34-49' title='goto source code'>[src]</a></h4><h4 id='method.request_update' class="method"><code>pub fn <a href='#method.request_update' class='fnname'>request_update</a>(&mut self, update_type: <a class="enum" href="../widgetry/enum.UpdateType.html" title="enum widgetry::UpdateType">UpdateType</a>)</code><a class='srclink' href='../src/widgetry/event_ctx.rs.html#51-53' title='goto source code'>[src]</a></h4><h4 id='method.canvas_movement' class="method"><code>pub fn <a href='#method.canvas_movement' class='fnname'>canvas_movement</a>(&mut self)</code><a class='srclink' href='../src/widgetry/event_ctx.rs.html#55-58' title='goto source code'>[src]</a></h4><h4 id='method.no_op_event' class="method"><code>pub fn <a href='#method.no_op_event' class='fnname'>no_op_event<
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</div></div><h3 id='impl-Borrow%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-217' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214-216' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></div><h3 id='impl-BorrowMut%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#220-224' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#221-223' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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</div></div><h3 id='impl-Downcast' class='impl'><code class='in-band'>impl<T> Downcast for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a>, </span></code><a href='#impl-Downcast' class='anchor'></a></h3><div class='impl-items'><h4 id='method.into_any' class="method hidden"><code>fn <a href='#method.into_any' class='fnname'>into_any</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><T>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static></code></h4><div class='docblock hidden'><p>Convert <code>Box<dyn Trait></code> (where <code>Trait: Downcast</code>) to <code>Box<dyn Any></code>. <code>Box<dyn Any></code> can then be further <code>downcast</code> into <code>Box<ConcreteType></code> where <code>ConcreteType</code> implements <code>Trait</code>. <a href="#tymethod.into_any">Read more</a></p>
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</div><h4 id='method.into_any_rc' class="method hidden"><code>fn <a href='#method.into_any_rc' class='fnname'>into_any_rc</a>(self: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a><T>) -> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a><dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static></code></h4><div class='docblock hidden'><p>Convert <code>Rc<Trait></code> (where <code>Trait: Downcast</code>) to <code>Rc<Any></code>. <code>Rc<Any></code> can then be further <code>downcast</code> into <code>Rc<ConcreteType></code> where <code>ConcreteType</code> implements <code>Trait</code>. <a href="#tymethod.into_any_rc">Read more</a></p>
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</div><h4 id='method.as_any' class="method hidden"><code>fn <a href='#method.as_any' class='fnname'>as_any</a>(&self) -> &(dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static)</code></h4><div class='docblock hidden'><p>Convert <code>&Trait</code> (where <code>Trait: Downcast</code>) to <code>&Any</code>. This is needed since Rust cannot generate <code>&Any</code>'s vtable from <code>&Trait</code>'s. <a href="#tymethod.as_any">Read more</a></p>
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</div><h4 id='method.as_any_mut' class="method hidden"><code>fn <a href='#method.as_any_mut' class='fnname'>as_any_mut</a>(&mut self) -> &mut (dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static)</code></h4><div class='docblock hidden'><p>Convert <code>&mut Trait</code> (where <code>Trait: Downcast</code>) to <code>&Any</code>. This is needed since Rust cannot generate <code>&mut Any</code>'s vtable from <code>&mut Trait</code>'s. <a href="#tymethod.as_any_mut">Read more</a></p>
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</div></div><h3 id='impl-From%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href='#impl-From%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#566-570' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#567-569' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-Into%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span></code><a href='#impl-Into%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#555-562' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.into' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into' class='fnname'>into</a>(self) -> U</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#559-561' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-TryFrom%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#603-612' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_from' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#609-611' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-TryInto%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589-598' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_into' class="method hidden"><code>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#595-597' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-VZip%3CV%3E' class='impl'><code class='in-band'>impl<V, T> VZip<V> for T <span class="where fmt-newline">where<br> V: MultiLane<T>, </span></code><a href='#impl-VZip%3CV%3E' class='anchor'></a></h3><div class='impl-items'><h4 id='method.vzip' class="method hidden"><code>fn <a href='#method.vzip' class='fnname'>vzip</a>(self) -> V</code></h4></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../";window.currentCrate = "widgetry";</script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
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