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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Confusing error message when converting an overloaded function to std::function"
href="https://llvm.org/bugs/show_bug.cgi?id=29036">29036</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Confusing error message when converting an overloaded function to std::function
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.8
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>C++14
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>roman.perepelitsa@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Code:
#include <functional>
void F();
void F(int);
std::function<void()> f = F;
Error:
6: error: no viable conversion from '<overloaded function type>' to
'std::function<void ()>'
std::function<void()> f = &F;
^ ~~
[...]
functional:2192:7: note: candidate constructor not viable: no overload of 'F'
matching 'const std::function<void ()> &' for 1st argument
function(const function& __x);
^
[...]
This statement is confusing: "no overload of 'F' matching 'const
std::function<void ()> &'". It's easy to misinterpret it as implying that the
compiler tried to convert every overload of 'F' to 'std::function<void ()>' and
failed.</pre>
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