Changeset 97f035 for molecuilder/src/Patterns/Singleton_impl.hpp

Timestamp:

Mar 11, 2010, 3:17:29 PM (16 years ago)

Author:

Tillmann Crueger <crueger@…>

Children:

1e0785

Parents:

e9f2e1

Message:

Small improvements to singleton pattern

File:

• molecuilder/src/Patterns/Singleton_impl.hpp (modified) (2 diffs)

molecuilder/src/Patterns/Singleton_impl.hpp

@@ -77 +77 @@
 }
 
+template<class T, bool _may_create>
+Singleton<T,_may_create>::Singleton(){/* empty */}
+
+// private copy constructor to avoid unintended copying
+template <class T, bool _may_create>
+Singleton<T,_may_create>::Singleton(const Singleton<T,_may_create>&){
+  assert(0 && "Copy constructor of singleton template called");
+}
+
 /**
  * This define allows simple instantiation of the necessary singleton functions
@@ -121 +130 @@
 
 template <class T,bool _may_create>
-typename Singleton<T,_may_create>::ptr_t& Singleton<T,_may_create>::ptr_t::operator=(typename Singleton<T,_may_create>::ptr_t& rhs){
+typename Singleton<T,_may_create>::ptr_t& Singleton<T,_may_create>::ptr_t::operator=(const typename Singleton<T,_may_create>::ptr_t& rhs){
   if(&rhs!=this){
     delete content;