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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang accepts lambda expression in template argument"
href="https://bugs.llvm.org/show_bug.cgi?id=33696">33696</a>
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<th>Summary</th>
<td>clang accepts lambda expression in template argument
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>trass3r@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>clang r307127
void foo();
template <auto f>
struct F
{
~F() { f(); }
};
int main()
{
F<+[](){foo();}> f;
}
Note the + to force the conversion to function pointer. gcc rejects it.
<a href="https://stackoverflow.com/questions/44485610/will-i-be-able-to-declare-a-constexpr-lambda-inside-a-template-parameter">https://stackoverflow.com/questions/44485610/will-i-be-able-to-declare-a-constexpr-lambda-inside-a-template-parameter</a></pre>
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