C++: Add f/Front() and b/Back() to Array to access first/last element

Author: guyingzhao

include/plist/Array.h

@@ -43,6 +43,10 @@ public :
     typedef std::vector<Node*>::const_iterator const_iterator;
 
     Node* operator[](unsigned int index);
+    Node* Back();
+    Node* back();
+    Node* Front();
+    Node* front();
     iterator Begin();
     iterator begin();
     iterator End();

src/Array.cpp

@@ -90,6 +90,26 @@ Node* Array::operator[](unsigned int array_index)
     return _array.at(array_index);
 }
 
+Node* Array::Back()
+{
+    return _array.back();
+}
+
+Node* Array::back()
+{
+    return _array.back();
+}
+
+Node* Array::Front()
+{
+    return _array.front();
+}
+
+Node* Array::front()
+{
+    return _array.front();
+}
+
 Array::iterator Array::Begin()
 {
     return _array.begin();