expression_tree::detail::node_impl< T > Class Template Reference

Base class for the node class internal implementation. More...

#include <expression_tree.h>

Inheritance diagram for expression_tree::detail::node_impl< T >:

Public Member Functions
virtual std::unique_ptr < node_impl< T > >	clone () const =0
	Clones this object.
virtual bool	constant () const =0
	Constness of the node.
virtual T	evaluate () const =0
	All nodes must evaluate.

Detailed Description

template<typename T>
class expression_tree::detail::node_impl< T >

Base class for the node class internal implementation.

Member Function Documentation

template<typename T >

virtual std::unique_ptr<node_impl<T> > expression_tree::detail::node_impl< T >::clone ( ) const

pure virtual

Clones this object.

Necessary for assignment operator of classes that will own concrete instances of this base class.

Implemented in expression_tree::detail::default_branch< T, CachingPolicy, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::no_caching, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::cache_on_assignment, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::cache_on_evaluation, ThreadingPolicy >, expression_tree::detail::leaf< T * >, and expression_tree::detail::leaf< T >.

template<typename T >

virtual bool expression_tree::detail::node_impl< T >::constant ( ) const

pure virtual

Constness of the node.

A leaf node is constant if its data is constant. A branch node is constant if all its leaf nodes are constant.

Implemented in expression_tree::detail::default_branch< T, CachingPolicy, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::no_caching, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::cache_on_assignment, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::cache_on_evaluation, ThreadingPolicy >, expression_tree::detail::leaf< T * >, and expression_tree::detail::leaf< T >.

template<typename T >

virtual T expression_tree::detail::node_impl< T >::evaluate ( ) const

pure virtual

All nodes must evaluate.

A leaf will evaluate to itself. A branch will evaluate to its operation applied to its left and right children.

Implemented in expression_tree::cache_on_assignment< T, ThreadingPolicy >::branch, expression_tree::cache_on_evaluation< T, ThreadingPolicy >::branch, expression_tree::detail::default_branch< T, CachingPolicy, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::no_caching, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::cache_on_assignment, ThreadingPolicy >, expression_tree::detail::default_branch< T, expression_tree::cache_on_evaluation, ThreadingPolicy >, expression_tree::detail::leaf< T * >, and expression_tree::detail::leaf< T >.

---

The documentation for this class was generated from the following file:

• include/expression_tree.h