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 * Copyright (C) jparsec.org                                                *
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 * 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                                   *
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 * http://www.apache.org/licenses/LICENSE-2.0                                *
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 * Unless required by applicable law or agreed to in writing, software       *
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package org.jparsec.examples.bnf.ast;

import java.util.Collections;
import java.util.List;

import org.jparsec.examples.common.Strings;
import org.jparsec.examples.common.ValueObject;

/**
 * Represents a sequential rule.
 * 
 * @author benyu
 */
public final class SequentialRule extends ValueObject implements Rule {
  public final List rules;
  
  public SequentialRule(List rules) {
    this.rules = Collections.unmodifiableList(rules);
  }
  
  @Override public String toString() {
    return Strings.join(" ", rules);
  }
}