wrapped: comparison to nullptr, default ctor

felixguendling · Aug 31, 2024 · bfef196 · bfef196
1 parent b27c021
commit bfef196
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/include/cista/memory_holder.h b/include/cista/memory_holder.h
@@ -13,11 +13,16 @@ using memory_holder = std::variant<buf<mmap>, buffer, byte_buf>;
 
 template <typename T>
 struct wrapped {
+ wrapped() = default;
  wrapped(memory_holder mem, T* el) : mem_{std::move(mem)}, el_{el} {
  el_.self_allocated_ = false;
  }
  explicit wrapped(raw::unique_ptr<T> el) : el_{std::move(el)} {}
 
+ friend bool operator==(wrapped const& x, std::nullptr_t) {
+ return x.el_ == nullptr;
+ }
+
  T* get() const noexcept { return el_.get(); }
  T* operator->() noexcept { return el_.get(); }
  T const* operator->() const noexcept { return el_.get(); }