it.unibo.alchemist.util.Sequences.kt Maven / Gradle / Ivy

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Abstract, incarnation independent implementations of the Alchemist's interfaces. Provides support for those who want to write incarnations.

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/*
 * Copyright (C) 2010-2023, Danilo Pianini and contributors
 * listed, for each module, in the respective subproject's build.gradle.kts file.
 *
 * This file is part of Alchemist, and is distributed under the terms of the
 * GNU General Public License, with a linking exception,
 * as described in the file LICENSE in the Alchemist distribution's top directory.
 */

package it.unibo.alchemist.util

/**
 * Container object for utility functions related to [Sequence]s.
 */
object Sequences {

    /**
     * Performs the cartesian product of two sequences.
     */
    @JvmStatic
    fun  Sequence.cartesianProduct(other: Sequence): Sequence> =
        flatMap { first -> other.map { second -> Pair(first, second) } }
}