/**
 * @license
 * Copyright 2016 Google Inc. All Rights Reserved.
 *
 * 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 foam.lib.parse;

public class Alt implements Parser {
  private Parser[] parsers_;

  public Alt(Parser... args) {
    parsers_ = args;
  }

  public PStream parse(PStream ps, ParserContext x) {
    for ( int i = 0 ; i < parsers_.length ; i++ ) {
      PStream ret = ps.apply(parsers_[i], x);
      if ( ret != null ) return ret;
    }
    return null;
  }
}

@@ -648,16 +648,41 @@
 parse;%0A%0A
+import java.util.List;%0A%0A%0A
 public c
@@ -689,16 +689,18 @@
 lass Alt
+%0A 
  impleme
@@ -713,39 +713,157 @@
 rser
- 
+%0A
 %7B%0A  pr
-ivate Parser%5B%5D parsers_;
+otected Parser%5B%5D parsers_;%0A%0A  public Alt(List%3CParser%3E parsers) %7B%0A    parsers_ = new Parser%5Bparsers.size()%5D;%0A    parsers.toArray(parsers_);%0A  %7D
 %0A%0A  

Add convenience constructor to Alt Parser.