mirror of
https://github.com/DanilaFe/abacus
synced 2024-07-01 23:06:11 -07:00
19 lines
596 B
Kotlin
19 lines
596 B
Kotlin
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package org.nwapw.abacus.tree
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/**
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* A unary operator node that reduces its children.
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*
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* NumberUnaryNode operates by simply reducing its child,
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* and using the result of that reduction to reduce itself.
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* @param operation the operation this node performs.
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* @param child the child this node should be applied to.
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*/
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class NumberUnaryNode(operation: String, child: TreeNode?)
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: UnaryNode(operation, child) {
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override fun <T : Any> reduce(reducer: Reducer<T>): T? {
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val child = applyTo?.reduce(reducer) ?: return null
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return reducer.reduceNode(this, child)
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}
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}
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