commonMain.it.unibo.tuprolog.solve.classic.stdlib.rule.Call.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of solve-classic-jvm Show documentation

Stable, state-machine-based implementation of Prolog's SLDNF resolution principle

There is a newer version: 1.0.4

package it.unibo.tuprolog.solve.classic.stdlib.rule

import it.unibo.tuprolog.core.Scope
import it.unibo.tuprolog.core.Term
import it.unibo.tuprolog.solve.classic.ClassicExecutionContext
import it.unibo.tuprolog.solve.rule.RuleWrapper
import it.unibo.tuprolog.solve.stdlib.primitive.EnsureExecutable
import kotlin.collections.List as KtList

object Call : RuleWrapper("call", 1) {
    override val Scope.head: KtList
        get() = ktListOf(varOf("G"))

    override val Scope.body: Term
        get() =
            tupleOf(
                structOf(EnsureExecutable.functor, varOf("G")),
                varOf("G"),
            )
}