mirror of https://github.com/DanilaFe/abacus
22 lines
765 B
Kotlin
22 lines
765 B
Kotlin
package org.nwapw.abacus.plugin.standard.operator
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import org.nwapw.abacus.context.PluginEvaluationContext
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import org.nwapw.abacus.function.OperatorAssociativity
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import org.nwapw.abacus.function.OperatorType
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import org.nwapw.abacus.function.interfaces.NumberOperator
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import org.nwapw.abacus.number.NumberInterface
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/**
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* The negation operator.
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*
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* This is a standard operator that negates a number.
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*/
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class OperatorNegate: NumberOperator(OperatorAssociativity.LEFT, OperatorType.UNARY_PREFIX, 1) {
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override fun matchesParams(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
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params.size == 1
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override fun applyInternal(context: PluginEvaluationContext, params: Array<out NumberInterface>) =
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-params[0]
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} |