convertible_to_weak_ref

A convertible_to_weak_ref is anything that can be converted to a weak_ref; this includes:

• a weak_ref
• a strong_ref
• T* if T extends std::enable_shared_from_this<T>

Example

#include <FredEmmott/weak_refs.hpp>

using namespace FredEmmott::weak_refs;

static_assert(convertible_to_weak_ref<std::shared_ptr<int>>);
static_assert(convertible_to_weak_ref<std::weak_ptr<int>>);
static_assert(!convertible_to_weak_ref<int*>);