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• 0.12.0
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• ExpressionReducer.kt

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commonMain.it.unibo.tuprolog.solve.function.ExpressionReducer.kt Maven / Gradle / Ivy

package it.unibo.tuprolog.solve.function

import it.unibo.tuprolog.core.Term
import it.unibo.tuprolog.solve.ExecutionContext
import it.unibo.tuprolog.solve.primitive.Solve

/**
 * Reduces a [Term] as an expression by evaluating all the evaluable sub-terms it contains
 * w.r.t. the loaded functions provided through [request].
 * If the input expression is non-evaluable, it remains unaffected and no error is thrown
 *
 * @param request the request of the primitive in which the evaluation should happen
 * @param index the index of the argument being evalued in the aforementioned primitive
 */
class ExpressionReducer(
    request: Solve.Request,
    index: Int? = null
) : AbstractEvaluator(request, index)