Abacus/src/org/nwapw/abacus/tree/Reducer.java

18 lines
483 B
Java

package org.nwapw.abacus.tree;
/**
* Interface used to reduce a tree into a single value.
* @param <T> the value to reduce into.
*/
public interface Reducer<T> {
/**
* Reduces the given tree into a single value of type T.
* @param node the node being passed in to be reduced.
* @param children the already-reduced children of this node.
* @return the resulting value from the reduce.
*/
public T reduceNode(TreeNode node, Object...children);
}