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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Functions with a return type of ExceptionOr<String> cannot "return emptyString();""
href="https://bugs.webkit.org/show_bug.cgi?id=165477">165477</a>
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<th>Summary</th>
<td>Functions with a return type of ExceptionOr<String> cannot "return emptyString();"
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
</tr>
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<th>Version</th>
<td>WebKit Nightly Build
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
</tr>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>Tools / Tests
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jer.noble@apple.com
</td>
</tr>
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<th>CC</th>
<td>lforschler@apple.com
</td>
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<p>
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<pre>Attempting to do so generates the following error:
error: no viable conversion from returned value of type 'const WTF::String' to function return type 'ExceptionOr<WTF::String>'
With the following notes:
ExceptionOr.h:35:37: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const WTF::String' to 'const WebCore::ExceptionOr<WTF::String> &' for 1st argument
ExceptionOr.h:37:5: note: candidate constructor not viable: no known conversion from 'const WTF::String' to 'WebCore::Exception &&' for 1st argument
ExceptionOr.h:38:5: note: candidate constructor not viable: 1st argument ('const WTF::String') would lose const qualifier
ExceptionOr.h:39:88: note: candidate template ignored: disabled by 'enable_if' [with OtherType = WTF::String]</pre>
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</p>
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