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</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//! # Widgets</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! If none of these do what you need, implementing a new [`WidgetImpl`] isn&#39;t tough.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! TODO inline pictures of some of these</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! * [`Autocomplete`] - select predefined value by combining text entry with menus</span>
<span class="doccomment">//! * [`Button`] - clickable buttons with keybindings and tooltips</span>
<span class="doccomment">//! * [`Toggle`] - checkboxes, switches, and other toggles</span>
<span class="doccomment">//! * [`CompareTimes`] - a scatter plot specialized for comparing times</span>
<span class="doccomment">//! * [`DrawWithTooltips`] - draw static geometry, with mouse tooltips in certain regions</span>
<span class="doccomment">//! * [`Dropdown`] - a button that expands into a menu</span>
<span class="doccomment">//! * [`FanChart`] - visualize a range of values over time</span>
<span class="doccomment">//! * [`Filler`] - just carve out space in the layout for something else</span>
<span class="doccomment">//! * [`JustDraw`] (argh private) - just draw text, `GeomBatch`es, SVGs</span>
<span class="doccomment">//! * [`LinePlot`] - visualize 2 variables with a line plot</span>
<span class="doccomment">//! * [`Menu`] - select something from a menu, with keybindings</span>
<span class="doccomment">//! * [`MultiButton`] - clickable regions in one batch of geometry</span>
<span class="doccomment">//! * [`PersistentSplit`] - a button with a dropdown to change its state</span>
<span class="doccomment">//! * [`ScatterPlot`] - visualize 2 variables with a scatter plot</span>
<span class="doccomment">//! * [`Slider`] - horizontal and vertical sliders</span>
<span class="doccomment">//! * [`Spinner`] - numeric input with up/down buttons</span>
<span class="doccomment">//! * [`table::Table`] - rows and columns, supporting filtering and pagination</span>
<span class="doccomment">//! * [`TextBox`] - single line text entry</span>

<span class="comment">//#![warn(missing_docs)]</span>

<span class="attribute">#[<span class="ident">macro_use</span>]</span>
<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">anyhow</span>;
<span class="attribute">#[<span class="ident">macro_use</span>]</span>
<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">log</span>;

<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">app_state</span>::{<span class="ident">DrawBaselayer</span>, <span class="ident">SharedAppState</span>, <span class="ident">SimpleState</span>, <span class="ident">State</span>, <span class="ident">Transition</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">backend</span>::<span class="ident">Drawable</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">canvas</span>::{<span class="ident">Canvas</span>, <span class="ident">HorizontalAlignment</span>, <span class="ident">VerticalAlignment</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">color</span>::{<span class="ident">Color</span>, <span class="ident">Fill</span>, <span class="ident">LinearGradient</span>, <span class="ident">Texture</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">drawing</span>::{<span class="ident">GfxCtx</span>, <span class="ident">Prerender</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">event</span>::{<span class="ident">hotkeys</span>, <span class="ident">lctrl</span>, <span class="ident">Event</span>, <span class="ident">Key</span>, <span class="ident">MultiKey</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">event_ctx</span>::{<span class="ident">EventCtx</span>, <span class="ident">UpdateType</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">geom</span>::<span class="ident">geom_batch_stack</span>::{<span class="ident">Axis</span>, <span class="ident">GeomBatchStack</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">geom</span>::{<span class="ident">GeomBatch</span>, <span class="ident">RewriteColor</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">input</span>::<span class="ident">UserInput</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">runner</span>::{<span class="ident">run</span>, <span class="ident">Settings</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">screen_geom</span>::{<span class="ident">ScreenDims</span>, <span class="ident">ScreenPt</span>, <span class="ident">ScreenRectangle</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">style</span>::{<span class="ident">ButtonStyle</span>, <span class="ident">OutlineStyle</span>, <span class="ident">Style</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">text</span>::{<span class="ident">Font</span>, <span class="ident">Line</span>, <span class="ident">Text</span>, <span class="ident">TextExt</span>, <span class="ident">TextSpan</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">tools</span>::<span class="ident">warper</span>::<span class="ident">Warper</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">tools</span>::<span class="ident">Cached</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">autocomplete</span>::<span class="ident">Autocomplete</span>;
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">button</span>::<span class="ident">Button</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">button</span>::{<span class="ident">ButtonBuilder</span>, <span class="ident">MultiButton</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">compare_times</span>::<span class="ident">CompareTimes</span>;
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">dropdown</span>::<span class="ident">Dropdown</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">fan_chart</span>::<span class="ident">FanChart</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">filler</span>::<span class="ident">Filler</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">image</span>::{<span class="ident">Image</span>, <span class="ident">ImageSource</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">just_draw</span>::<span class="ident">DrawWithTooltips</span>;
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">just_draw</span>::{<span class="ident">DeferDraw</span>, <span class="ident">JustDraw</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">line_plot</span>::<span class="ident">LinePlot</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">menu</span>::<span class="ident">Menu</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">persistent_split</span>::<span class="ident">PersistentSplit</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">plots</span>::{<span class="ident">PlotOptions</span>, <span class="ident">Series</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">scatter_plot</span>::<span class="ident">ScatterPlot</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">slider</span>::<span class="ident">Slider</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">spinner</span>::<span class="ident">Spinner</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">stash</span>::<span class="ident">Stash</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">table</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">tabs</span>::<span class="ident">TabController</span>;
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">text_box</span>::<span class="ident">TextBox</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">toggle</span>::<span class="ident">Toggle</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::<span class="ident">DEFAULT_CORNER_RADIUS</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">widgets</span>::{
    <span class="ident">CornerRounding</span>, <span class="ident">EdgeInsets</span>, <span class="ident">Outcome</span>, <span class="ident">Panel</span>, <span class="ident">Widget</span>, <span class="ident">WidgetImpl</span>, <span class="ident">WidgetOutput</span>,
};

<span class="kw">mod</span> <span class="ident">app_state</span>;
<span class="kw">mod</span> <span class="ident">assets</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">&quot;native-backend&quot;</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">&quot;wasm-backend&quot;</span>))]</span>
<span class="kw">mod</span> <span class="ident">backend_glow</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">&quot;native-backend&quot;</span>)]</span>
<span class="kw">mod</span> <span class="ident">backend_glow_native</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">&quot;wasm-backend&quot;</span>)]</span>
<span class="kw">mod</span> <span class="ident">backend_glow_wasm</span>;
<span class="kw">mod</span> <span class="ident">canvas</span>;
<span class="kw">mod</span> <span class="ident">color</span>;
<span class="kw">mod</span> <span class="ident">drawing</span>;
<span class="kw">mod</span> <span class="ident">event</span>;
<span class="kw">mod</span> <span class="ident">event_ctx</span>;
<span class="kw">mod</span> <span class="ident">geom</span>;
<span class="kw">mod</span> <span class="ident">input</span>;
<span class="kw">mod</span> <span class="ident">runner</span>;
<span class="kw">mod</span> <span class="ident">screen_geom</span>;
<span class="kw">mod</span> <span class="ident">style</span>;
<span class="kw">mod</span> <span class="ident">svg</span>;
<span class="kw">mod</span> <span class="ident">text</span>;
<span class="kw">mod</span> <span class="ident">tools</span>;
<span class="kw">mod</span> <span class="ident">widgets</span>;

<span class="kw">mod</span> <span class="ident">backend</span> {
    <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">&quot;native-backend&quot;</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">&quot;wasm-backend&quot;</span>))]</span>
    <span class="kw">pub</span> <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">backend_glow</span>::<span class="kw-2">*</span>;
}

<span class="doccomment">/// Like [`std::include_bytes!`], but also returns its argument, the relative path to the bytes</span>
<span class="doccomment">///</span>
<span class="doccomment">/// returns a `(path, bytes): (&amp;str, &amp;[u8])` tuple</span>
<span class="attribute">#[<span class="ident">macro_export</span>]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">include_labeled_bytes</span> {
    (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">file</span>:<span class="ident">expr</span>) <span class="op">=</span><span class="op">&gt;</span> {
        (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">file</span>, <span class="macro">include_bytes</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">file</span>))
    };
}

<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ControlState</span> {
    <span class="ident">Default</span>,
    <span class="ident">Hovered</span>,
    <span class="ident">Disabled</span>,
    <span class="comment">// TODO: Pressing</span>
}

<span class="doccomment">/// Rules for how content should stretch to fill its bounds</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ContentMode</span> {
    <span class="doccomment">/// Stretches content to fit its bounds exactly, breaking aspect ratio as necessary.</span>
    <span class="ident">ScaleToFill</span>,

    <span class="doccomment">/// Maintaining aspect ratio, content grows until it touches its bounds in one dimension.</span>
    <span class="doccomment">/// This is the default ContentMode.</span>
    <span class="doccomment">///</span>
    <span class="doccomment">/// If the aspect ratio of the bounds do not exactly match the aspect ratio of the content,</span>
    <span class="doccomment">/// then there will be some empty space within the bounds to center the content.</span>
    <span class="ident">ScaleAspectFit</span>,

    <span class="doccomment">/// Maintaining aspect ratio, content grows until both bounds are met.</span>
    <span class="doccomment">///</span>
    <span class="doccomment">/// If the aspect ratio of the bounds do not exactly match the aspect ratio of the content,</span>
    <span class="doccomment">/// the content will overflow one dimension of its bounds.</span>
    <span class="ident">ScaleAspectFill</span>,
}

<span class="kw">impl</span> <span class="ident">Default</span> <span class="kw">for</span> <span class="ident">ContentMode</span> {
    <span class="kw">fn</span> <span class="ident">default</span>() <span class="op">-</span><span class="op">&gt;</span> <span class="self">Self</span> {
        <span class="ident">ContentMode</span>::<span class="ident">ScaleAspectFit</span>
    }
}

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
    <span class="kw">pub</span> <span class="ident">label</span>: <span class="ident">String</span>,
    <span class="kw">pub</span> <span class="ident">data</span>: <span class="ident">T</span>,
    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">hotkey</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">MultiKey</span><span class="op">&gt;</span>,
    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">active</span>: <span class="ident">bool</span>,
    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">tooltip</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span>,
    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">fg</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Color</span><span class="op">&gt;</span>,
}

<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span><span class="op">&lt;</span><span class="ident">S</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span><span class="op">&gt;</span>(<span class="ident">label</span>: <span class="ident">S</span>, <span class="ident">data</span>: <span class="ident">T</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
        <span class="ident">Choice</span> {
            <span class="ident">label</span>: <span class="ident">label</span>.<span class="ident">into</span>(),
            <span class="ident">data</span>,
            <span class="ident">hotkey</span>: <span class="prelude-val">None</span>,
            <span class="ident">active</span>: <span class="bool-val">true</span>,
            <span class="ident">tooltip</span>: <span class="prelude-val">None</span>,
            <span class="ident">fg</span>: <span class="prelude-val">None</span>,
        }
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">tuples</span>: <span class="ident">Vec</span><span class="op">&lt;</span>(<span class="ident">String</span>, <span class="ident">T</span>)<span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span><span class="op">&gt;</span> {
        <span class="ident">tuples</span>
            .<span class="ident">into_iter</span>()
            .<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">label</span>, <span class="ident">data</span>)<span class="op">|</span> <span class="ident">Choice</span>::<span class="ident">new</span>(<span class="ident">label</span>, <span class="ident">data</span>))
            .<span class="ident">collect</span>()
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">key</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">key</span>: <span class="ident">Key</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
        <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">hotkey</span>, <span class="prelude-val">None</span>);
        <span class="self">self</span>.<span class="ident">hotkey</span> <span class="op">=</span> <span class="ident">key</span>.<span class="ident">into</span>();
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">multikey</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">mk</span>: <span class="ident">MultiKey</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
        <span class="self">self</span>.<span class="ident">hotkey</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">mk</span>);
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">active</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">active</span>: <span class="ident">bool</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
        <span class="self">self</span>.<span class="ident">active</span> <span class="op">=</span> <span class="ident">active</span>;
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">tooltip</span><span class="op">&lt;</span><span class="ident">I</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span><span class="op">&gt;</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">info</span>: <span class="ident">I</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
        <span class="self">self</span>.<span class="ident">tooltip</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">info</span>.<span class="ident">into</span>());
        <span class="self">self</span>
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fg</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">fg</span>: <span class="ident">Color</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
        <span class="self">self</span>.<span class="ident">fg</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">fg</span>);
        <span class="self">self</span>
    }

    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">with_value</span><span class="op">&lt;</span><span class="ident">X</span><span class="op">&gt;</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">data</span>: <span class="ident">X</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">X</span><span class="op">&gt;</span> {
        <span class="ident">Choice</span> {
            <span class="ident">label</span>: <span class="self">self</span>.<span class="ident">label</span>.<span class="ident">clone</span>(),
            <span class="ident">data</span>,
            <span class="ident">hotkey</span>: <span class="self">self</span>.<span class="ident">hotkey</span>.<span class="ident">clone</span>(),
            <span class="ident">active</span>: <span class="self">self</span>.<span class="ident">active</span>,
            <span class="ident">tooltip</span>: <span class="self">self</span>.<span class="ident">tooltip</span>.<span class="ident">clone</span>(),
            <span class="ident">fg</span>: <span class="self">self</span>.<span class="ident">fg</span>,
        }
    }
}

<span class="kw">impl</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">string</span>(<span class="ident">label</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span> {
        <span class="ident">Choice</span>::<span class="ident">new</span>(<span class="ident">label</span>.<span class="ident">to_string</span>(), <span class="ident">label</span>.<span class="ident">to_string</span>())
    }

    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">strings</span><span class="op">&lt;</span><span class="ident">I</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span><span class="op">&gt;</span>(<span class="ident">list</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">I</span><span class="op">&gt;</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">Choice</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span><span class="op">&gt;</span> {
        <span class="ident">list</span>.<span class="ident">into_iter</span>()
            .<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
                <span class="kw">let</span> <span class="ident">x</span> <span class="op">=</span> <span class="ident">x</span>.<span class="ident">into</span>();
                <span class="ident">Choice</span>::<span class="ident">new</span>(<span class="ident">x</span>.<span class="ident">clone</span>(), <span class="ident">x</span>)
            })
            .<span class="ident">collect</span>()
    }
}
</pre></div>
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