examples/format.svg

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    <tspan x="10px" y="28px"><tspan class="fg-bright-red bold">error[E0308]</tspan><tspan>: </tspan><tspan class="bold">mismatched types</tspan>
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    <tspan x="10px" y="46px"><tspan>  </tspan><tspan class="fg-bright-blue bold">--&gt;</tspan><tspan> src/format.rs:51:6</tspan>
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    <tspan x="10px" y="64px"><tspan>   </tspan><tspan class="fg-bright-blue bold">|</tspan>
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    <tspan x="10px" y="82px"><tspan class="fg-bright-blue bold">51 |</tspan><tspan>   ) -&gt; Option&lt;String&gt; {</tspan>
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    <tspan x="10px" y="100px"><tspan>   </tspan><tspan class="fg-bright-blue bold">|</tspan><tspan>        </tspan><tspan class="fg-yellow bold">--------------</tspan><tspan> </tspan><tspan class="fg-yellow bold">expected `Option&lt;String&gt;` because of return type</tspan>
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    <tspan x="10px" y="118px"><tspan class="fg-bright-blue bold">52 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">/</tspan><tspan>     for ann in annotations {</tspan>
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    <tspan x="10px" y="136px"><tspan class="fg-bright-blue bold">53 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>         match (ann.range.0, ann.range.1) {</tspan>
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    <tspan x="10px" y="154px"><tspan class="fg-bright-blue bold">54 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>             (None, None) =&gt; continue,</tspan>
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    <tspan x="10px" y="172px"><tspan class="fg-bright-blue bold">55 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>             (Some(start), Some(end)) if start &gt; end_index =&gt; continue,</tspan>
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    <tspan x="10px" y="190px"><tspan class="fg-bright-blue bold">56 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>             (Some(start), Some(end)) if start &gt;= start_index =&gt; {</tspan>
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    <tspan x="10px" y="208px"><tspan class="fg-bright-blue bold">57 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                 let label = if let Some(ref label) = ann.label {</tspan>
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    <tspan x="10px" y="226px"><tspan class="fg-bright-blue bold">58 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                     format!(" {}", label)</tspan>
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    <tspan x="10px" y="244px"><tspan class="fg-bright-blue bold">59 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                 } else {</tspan>
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    <tspan x="10px" y="262px"><tspan class="fg-bright-blue bold">60 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                     String::from("")</tspan>
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    <tspan x="10px" y="280px"><tspan class="fg-bright-blue bold">61 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                 };</tspan>
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    <tspan x="10px" y="298px"><tspan class="fg-bright-blue bold">62 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan>
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    <tspan x="10px" y="316px"><tspan class="fg-bright-blue bold">63 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                 return Some(format!(</tspan>
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    <tspan x="10px" y="334px"><tspan class="fg-bright-blue bold">64 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                     "{}{}{}",</tspan>
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    <tspan x="10px" y="352px"><tspan class="fg-bright-blue bold">65 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                     " ".repeat(start - start_index),</tspan>
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    <tspan x="10px" y="370px"><tspan class="fg-bright-blue bold">66 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                     "^".repeat(end - start),</tspan>
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    <tspan x="10px" y="388px"><tspan class="fg-bright-blue bold">67 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                     label</tspan>
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    <tspan x="10px" y="406px"><tspan class="fg-bright-blue bold">68 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>                 ));</tspan>
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    <tspan x="10px" y="424px"><tspan class="fg-bright-blue bold">69 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>             }</tspan>
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    <tspan x="10px" y="442px"><tspan class="fg-bright-blue bold">70 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>             _ =&gt; continue,</tspan>
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    <tspan x="10px" y="460px"><tspan class="fg-bright-blue bold">71 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>         }</tspan>
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    <tspan x="10px" y="478px"><tspan class="fg-bright-blue bold">72 |</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|</tspan><tspan>     }</tspan>
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    <tspan x="10px" y="496px"><tspan>   </tspan><tspan class="fg-bright-blue bold">|</tspan><tspan> </tspan><tspan class="fg-bright-red bold">|____^</tspan><tspan> </tspan><tspan class="fg-bright-red bold">expected enum `std::option::Option`</tspan>
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    <tspan x="10px" y="514px"><tspan>   </tspan><tspan class="fg-bright-blue bold">|</tspan>
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