java/jshell.support/src/org/netbeans/modules/jshell/model/Rng.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.netbeans.modules.jshell.model;

/**
 * Describes a range of text. For performance {@link #javax.swing.text.Position}s
 * are not used, can be only used for text which does not change.
 */
public final class Rng {
    public final int start;
    public final int end;

    public Rng(int start, int end) {
        this.start = start;
        this.end = end;
    }

    public String toString() {
        return "{" + start + "-" + end + "}";
    }

    public int len() {
        return end - start;
    }
}