https://llvm.org/bugs/show_bug.cgi?id=23589
Bug ID: 23589
Summary: std::function doesn't recognize null pointer to
varargs function
Product: libc++
Version: 3.6
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
This crashes:
#include <functional>
void (*p)(...) = nullptr;
std::function< void() > f = p;
int main() {
try { f(); }
catch ( std::bad_function_call & ) {}
}
The problem is missing overloads of std::function::__not_null.
On a related note, I'm working on a std::function extension. Is there no
facility for function signature decomposition?
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