rust-analyzer/crates/ra_ide/test_data/highlight_injection.html

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<pre><code><span class="keyword">fn</span> <span class="function declaration">fixture</span><span class="punctuation">(</span><span class="value_param declaration">ra_fixture</span><span class="punctuation">:</span> <span class="operator">&</span><span class="builtin_type">str</span><span class="punctuation">)</span> <span class="punctuation">{</span><span class="punctuation">}</span>

<span class="keyword">fn</span> <span class="function declaration">main</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
    <span class="function">fixture</span><span class="punctuation">(</span><span class="string_literal">r#"</span>
        <span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="punctuation">{</span>
            <span class="keyword">fn</span> <span class="function declaration">foo</span><span class="punctuation">(</span><span class="punctuation">)</span> <span class="punctuation">{</span>
                <span class="macro">println!</span><span class="punctuation">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="punctuation">,</span> <span class="numeric_literal">4</span><span class="punctuation">)</span><span class="punctuation">;</span>
            <span class="punctuation">}</span>
        <span class="punctuation">}</span><span class="string_literal">"#</span>
    <span class="punctuation">)</span><span class="punctuation">;</span>
<span class="punctuation">}</span></code></pre>