https://llvm.org/bugs/show_bug.cgi?id=29036
Bug ID: 29036
Summary: Confusing error message when converting an overloaded
function to std::function
Product: clang
Version: 3.8
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++14
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
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.
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