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//               The Next Generation Logic Library                       //
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//  Copyright 2015-20xx Christoph Zengler                                //
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package org.logicng.formulas;

/**
 * A predicate on a formula.
 * @version 2.0.0
 * @since 1.0
 */
@FunctionalInterface
public interface FormulaPredicate {

    /**
     * Tests the predicate on a given formula.
     * @param formula the input formula
     * @param cache   indicates whether the result should be cached in the formula's cache
     * @return {@code true} if the formula holds, {@code false} otherwise
     */
    boolean test(Formula formula, boolean cache);
}