mirror of https://github.com/DanilaFe/abacus
22 lines
721 B
Kotlin
22 lines
721 B
Kotlin
package org.nwapw.abacus.tree
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/**
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* A binary operator node that reduces its children.
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*
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* NumberBinaryNode operates by simply reducing its children and
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* then using the result of that reduction to reduce itself.
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*
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* @param operation the operation this node performs.
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* @param left the left child of this node.
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* @param right the right child of this node.
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*/
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class NumberBinaryNode(operation: String, left: TreeNode, right: TreeNode)
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: BinaryNode(operation, left, right) {
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override fun <T : Any> reduce(reducer: Reducer<T>): T? {
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val left = left.reduce(reducer) ?: return null
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val right = right.reduce(reducer) ?: return null
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return reducer.reduceNode(this, left, right)
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}
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} |