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Show all versions of fastutil Show documentation
fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists and priority queues with a small memory footprint and fast access and insertion; provides also big (64-bit) arrays, sets and lists, and fast, practical I/O classes for binary and text files.
/*
* Copyright (C) 2002-2017 Sebastiano Vigna
*
* 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 PACKAGE;
import java.lang.Iterable;
/** A type-specific {@link Iterable} that strengthens that specification of {@link Iterable#iterator()}.
*
* Warning: Java will let you write “colon” for statements with primitive-type
* loop variables; however, what is (unfortunately) really happening is that at each iteration an
* unboxing (and, in the case of fastutil type-specific data structures, a boxing) will be performed. Watch out.
*
* @see Iterable
*/
public interface KEY_ITERABLE KEY_GENERIC extends Iterable {
/** Returns a type-specific iterator.
*
* Note that this specification strengthens the one given in {@link Iterable#iterator()}.
*
* @return a type-specific iterator.
* @see Iterable#iterator()
*/
@Override
KEY_ITERATOR KEY_GENERIC iterator();
}