src/main/java/net/hydromatic/linq4j/RawEnumerable.java

/*
// Licensed to Julian Hyde under one or more contributor license
// agreements. See the NOTICE file distributed with this work for
// additional information regarding copyright ownership.
//
// Julian Hyde 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 net.hydromatic.linq4j;

/**
 * Exposes the enumerator, which supports a simple iteration over a collection,
 * without the extension methods.
 *
 * <p>Just the bare methods, to make it easier to implement. Code that requires
 * the extension methods can use the static methods in {@link Extensions}.</p>
 *
 * <p>Analogous to LINQ's System.Collections.IEnumerable (both generic
 * and non-generic variants), without the extension methods.</p>
 *
 * @param <T> Element type
 * @see Enumerable
 */
public interface RawEnumerable<T> {
  /**
   * Returns an enumerator that iterates through a collection.
   */
  Enumerator<T> enumerator();
}

// End RawEnumerable.java