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/*
 *  Copyright 2024 Budapest University of Technology and Economics
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package hu.bme.mit.theta.solver;

import hu.bme.mit.theta.core.type.Expr;
import hu.bme.mit.theta.core.type.booltype.BoolType;

/**
 * Interface for different kind of interpolants. An interpolant consists of {@link ItpPattern}s,
 * describing the shape (e.g., binary, sequence, ...) of the interpolant. Each pattern is associated
 * with a {@link ItpMarker}.
 */
public interface Interpolant {

    /**
     * Get the expression in the interpolant corresponding to a given marker.
     *
     * @param marker Marker
     * @return Expression
     */
    Expr eval(final ItpMarker marker);

}