001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package jet;
018    
019    import org.jetbrains.jet.rt.annotation.AssertInvisibleInResolver;
020    
021    @AssertInvisibleInResolver
022    public class Unit {
023        public static final Unit VALUE = new Unit();
024    
025        private Unit() {
026        }
027    
028        @Override
029        public String toString() {
030            return "Unit.VALUE";
031        }
032    
033        @Override
034        public boolean equals(Object o) {
035            return o == VALUE;
036        }
037    
038        @Override
039        public int hashCode() {
040            return 239;
041        }
042    }