mirror of https://github.com/DanilaFe/abacus
21 lines
767 B
Kotlin
21 lines
767 B
Kotlin
package org.nwapw.abacus.plugin.standard
|
|
|
|
import org.nwapw.abacus.context.MutableEvaluationContext
|
|
import org.nwapw.abacus.function.NumberOperator
|
|
import org.nwapw.abacus.function.OperatorAssociativity
|
|
import org.nwapw.abacus.function.OperatorType
|
|
import org.nwapw.abacus.number.NumberInterface
|
|
|
|
/**
|
|
* The subtraction operator.
|
|
*
|
|
* This is a standard operator that performs subtraction.
|
|
*/
|
|
class OperatorSubtract: NumberOperator(OperatorAssociativity.LEFT, OperatorType.BINARY_INFIX, 0) {
|
|
|
|
override fun matchesParams(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
|
|
params.size == 2
|
|
override fun applyInternal(context: MutableEvaluationContext, params: Array<out NumberInterface>) =
|
|
params[0] - params[1]
|
|
|
|
} |