std_function's People
std_function's Issues
Segfault on inserting function into std::pmr container
The following code causes a segfault:
std::pmr::deque<func::function<void()>> functions { };
func::function<void()> f { [] { } };
functions.push_back(f);
However, creating a single function
with the pmr allocator does not:
func::function<void()> f { std::allocator_arg, std::pmr::polymorphic_allocator<> { }, [] { } };
And this also works:
functions.push_back([] { });
Possibly related to #2 somehow, but std::pmr::polymorphic_allocator
has no virtual destructor.
The dropbox links no longer work
As a result, I do not see an example on usage.
Segfault on allocator destruction with virtual dtor
Hi, thanks for this great header, I still use this because of its allocator support. However I just now discovered that it chokes when given an allocator that has a base with virtual destructor.
The following code consistently segfaults upon calling the allocator dtor in templated_call_move_and_destroy()
:
#include <function.h>
struct A { virtual ~A() { } };
template <typename T = std::byte>
struct Alloc : A
{
T* allocate(std::size_t) { return nullptr; }
void deallocate(T*) { }
};
int main()
{
func::function<int()> f { std::allocator_arg, Alloc<> { }, [] { return 0; } };
return f();
}
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