/*
 * Copyright 2012-2015 JetBrains s.r.o
 *
 * 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 jetbrains.jetpad.base;

public final class Pair<FirstT, SecondT> {
  public final FirstT first;
  public final SecondT second;

  public Pair(FirstT first, SecondT second) {
    this.first = first;
    this.second = second;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    Pair pair = (Pair) o;

    if (first != null ? !first.equals(pair.first) : pair.first != null) return false;
    if (second != null ? !second.equals(pair.second) : pair.second != null) return false;

    return true;
  }

  @Override
  public int hashCode() {
    int result = first != null ? first.hashCode() : 0;
    result = 31 * result + (second != null ? second.hashCode() : 0);
    return result;
  }
}
/*
 * Copyright 2012-2015 JetBrains s.r.o
 *
 * 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 jetbrains.jetpad.base;

public final class Pair<FirstT, SecondT> {
  public final FirstT first;
  public final SecondT second;

  public Pair(FirstT first, SecondT second) {
    this.first = first;
    this.second = second;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    Pair pair = (Pair) o;

    if (first != null ? !first.equals(pair.first) : pair.first != null) return false;
    if (second != null ? !second.equals(pair.second) : pair.second != null) return false;

    return true;
  }

  @Override
  public int hashCode() {
    int result = first != null ? first.hashCode() : 0;
    result = 31 * result + (second != null ? second.hashCode() : 0);
    return result;
  }

  @Override
  public String toString() {
    return "[" + first + ", " + second + ']';
  }
}
add toString() method to Pair