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/* definitions are residing in this header since that's how templates get
* expanded, we could have a separate node.cpp is compiler supports export keyword,
* instantiations of code are compiled along with the translation units that spawn them
*/
#ifndef _MYNODE_H_
#define _MYNODE_H_
#include <cstdio>
template <class T>
class Node
{
public:
Node();
Node(const Node &);
Node& operator=(const Node &);
Node(T);
Node(T &);
~Node();
T getVal(void) const;
void setVal(T);
void setLeft(const Node *);
void setRight(const Node *);
Node<T>& getLeft(void) const;
Node<T>& getRight(void) const;
private:
T v;
Node *left;
Node *right;
protected:
};
template <class T>
Node<T>::Node() : v(0), left(NULL), right(NULL)
{
}
template <class T>
Node<T>::Node(const Node& n)
{
this->v = n.v;
this->left = n.left;
this->right = n.right;
}
template <class T>
Node<T>& Node<T>::operator=(const Node &rhs)
{
/* don't assign same object */
if (this == &rhs) /* rhs is a rvalue, hence take addr of it */
return *this;
this->v = rhs.v;
/* these also will assign subtrees, use it wisely? */
this->left = rhs.left;
this->right = rhs.right;
return *this;
}
template <class T>
Node<T>::Node(T n) : left(NULL), right(NULL)
{
this->v = n;
}
template <class T>
Node<T>::Node(T& n) : left(NULL), right(NULL)
{
this->v = n;
}
template <class T>
Node<T>::~Node()
{
}
template <class T>
T Node<T>::getVal(void) const
{
return (this->v);
}
template <class T>
void Node<T>::setVal(T v)
{
this->v = v;
}
template <class T>
void Node<T>::setLeft(const Node *n)
{
this->left = const_cast<Node<T> *>(n);
}
template <class T>
void Node<T>::setRight(const Node *n)
{
this->right = const_cast<Node<T> *>(n);
}
template <class T>
Node<T>& Node<T>::getLeft(void) const
{
return *(this->left);
}
template <class T>
Node<T>& Node<T>::getRight(void) const
{
return *(this->right);
}
#endif
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