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SwiftLintCore 0.52.2 Docs
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<section class="section">
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<div class="section-content top-matter">
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<h1 id='empty-string' class='heading'>Empty String</h1>
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<p>Prefer checking <code>isEmpty</code> over comparing <code>string</code> to an empty string literal</p>
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<ul>
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<li><strong>Identifier:</strong> empty_string</li>
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<li><strong>Enabled by default:</strong> No</li>
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<li><strong>Supports autocorrection:</strong> No</li>
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<li><strong>Kind:</strong> performance</li>
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<li><strong>Analyzer rule:</strong> No</li>
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<li><strong>Minimum Swift compiler version:</strong> 5.0.0</li>
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<li><strong>Default configuration:</strong> warning</li>
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</ul>
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<h2 id='non-triggering-examples' class='heading'>Non Triggering Examples</h2>
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<pre class="highlight swift"><code><span class="n">myString</span><span class="o">.</span><span class="n">isEmpty</span>
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</code></pre>
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<pre class="highlight swift"><code><span class="o">!</span><span class="n">myString</span><span class="o">.</span><span class="n">isEmpty</span>
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</code></pre>
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<pre class="highlight swift"><code><span class="s">"""
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foo==
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"""</span>
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</code></pre>
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<h2 id='triggering-examples' class='heading'>Triggering Examples</h2>
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<pre class="highlight swift"><code><span class="n">myString</span><span class="err">↓</span> <span class="o">==</span> <span class="s">""</span>
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</code></pre>
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<pre class="highlight swift"><code><span class="n">myString</span><span class="err">↓</span> <span class="o">!=</span> <span class="s">""</span>
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</code></pre>
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<pre class="highlight swift"><code><span class="n">myString</span><span class="err">↓</span><span class="o">==</span><span class="s">""</span>
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</code></pre>
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<pre class="highlight swift"><code><span class="n">myString</span><span class="err">↓</span> <span class="o">==</span> <span class="err">#</span><span class="s">""</span><span class="err">#</span>
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</code></pre>
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<pre class="highlight swift"><code><span class="n">myString</span><span class="err">↓</span> <span class="o">==</span> <span class="err">##</span><span class="s">""</span><span class="err">##</span>
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</code></pre>
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<p>© 2023 <a class="link" href="https://jpsim.com" target="_blank" rel="external noopener">JP Simard</a> under MIT.</p>
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<p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external noopener">jazzy ♪♫ v0.14.3</a>, a <a class="link" href="https://realm.io" target="_blank" rel="external noopener">Realm</a> project.</p>
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