added last() member function

src/OpenFOAM/containers/Lists/UList/UList.H

@@ -184,6 +184,12 @@ public:
         //  an out-of-range element returns false without any ill-effects
         inline const T& operator[](const label) const;
 
+        //- Return last element of UList.
+        inline T& last();
+
+        //- Return last element of UList.
+        inline const T& last() const;
+
         //- Allow cast to a const List<T>&
         inline operator const Foam::List<T>&() const;
 

src/OpenFOAM/containers/Lists/UList/UListI.H

@@ -114,6 +114,20 @@ inline void Foam::UList<T>::checkIndex(const label i) const
 }
 
 
+template<class T>
+inline T& Foam::UList<T>::last()
+{
+    return this->operator[](this->size()-1);
+}
+
+
+template<class T>
+inline const T& Foam::UList<T>::last() const
+{
+    return this->operator[](this->size()-1);
+}
+
+
 template<class T>
 inline const T* Foam::UList<T>::cdata() const
 {