Index: doc/papers/general/evaluation/cpp-stack.hpp
===================================================================
--- doc/papers/general/evaluation/cpp-stack.hpp	(revision 8b001bdeaad8e72539cfc039fce69a37b18ee432)
+++ doc/papers/general/evaluation/cpp-stack.hpp	(revision 3d8f2f86026604a24b204319c91718b436a6f37f)
@@ -11,5 +11,5 @@
 
 	stack() : head( nullptr ) {}
-	stack( const stack<T> & o) { copy( o ); }
+	stack( const stack<T> & o ) { copy( o ); }
 	stack( stack<T> && o ) : head( o.head ) { o.head = nullptr; }
 
@@ -41,11 +41,4 @@
 	}
 
-	stack & operator= ( stack<T> && o ) {
-		if ( this == &o ) return *this;
-		head = o.head;
-		o.head = nullptr;
-		return *this;
-	}
-
 	bool empty() const { return head == nullptr; }