2 files changed, 7 insertions, 4 deletions
diff --git a/include/cru/common/ClonablePtr.hpp b/include/cru/common/ClonablePtr.hpp
index 47a1d3bd..5e4b80c9 100644
--- a/include/cru/common/ClonablePtr.hpp
+++ b/include/cru/common/ClonablePtr.hpp
@@ -8,13 +8,16 @@
 namespace cru {
 template <typename TClonable>
 class ClonablePtr {
+  template <typename T>
+  friend class ClonablePtr;
+
  public:
   using element_type = typename std::unique_ptr<TClonable>::element_type;
   using pointer = typename std::unique_ptr<TClonable>::pointer;
 
   ClonablePtr() = default;
   ClonablePtr(std::nullptr_t) noexcept : ptr_(nullptr) {}
-  ClonablePtr(pointer p) noexcept : ptr_(p) {}
+  explicit ClonablePtr(pointer p) noexcept : ptr_(p) {}
   ClonablePtr(std::unique_ptr<element_type>&& p) noexcept
       : ptr_(std::move(p)) {}
   template <typename O,
@@ -52,7 +55,7 @@ class ClonablePtr {
   }
   ClonablePtr& operator=(const ClonablePtr& other) {
     if (this != &other) {
-      ptr_ = std::unique_ptr<element_type>(other.ptr->Clone());
+      ptr_ = std::unique_ptr<element_type>(other.ptr_->Clone());
     }
     return *this;
   }
diff --git a/include/cru/common/Event.hpp b/include/cru/common/Event.hpp
index 59502527..7f7b4dd4 100644
--- a/include/cru/common/Event.hpp
+++ b/include/cru/common/Event.hpp
@@ -98,7 +98,7 @@ struct IBaseEvent {
   using SpyOnlyHandler = std::function<void()>;
 
  public:
-  virtual EventRevoker AddHandler(SpyOnlyHandler handler) = 0;
+  virtual EventRevoker AddSpyOnlyHandler(SpyOnlyHandler handler) = 0;
 };
 
 // Provides an interface of event.
@@ -147,7 +147,7 @@ class Event : public details::EventBase, public IEvent<TEventArgs> {
   CRU_DEFAULT_MOVE(Event)
   ~Event() = default;
 
-  EventRevoker AddHandler(SpyOnlyHandler handler) override {
+  EventRevoker AddSpyOnlyHandler(SpyOnlyHandler handler) override {
     const auto token = current_token_++;
     this->handler_data_list_.emplace_back(token, std::move(handler));
     return CreateRevoker(token);