Method from

corpus/java/training/guava/collect/GeneralRange.java:44–58

Converts a Range to a GeneralRange.

(Range<T> range)

   * Converts a Range to a GeneralRange.
   */
  static <T extends Comparable> GeneralRange<T> from(Range<T> range) {
    @Nullable T lowerEndpoint = range.hasLowerBound() ? range.lowerEndpoint() : null;
    BoundType lowerBoundType = range.hasLowerBound() ? range.lowerBoundType() : OPEN;

    @Nullable T upperEndpoint = range.hasUpperBound() ? range.upperEndpoint() : null;
    BoundType upperBoundType = range.hasUpperBound() ? range.upperBoundType() : OPEN;
    return new GeneralRange<T>(
        Ordering.natural(),
        range.hasLowerBound(),
        lowerEndpoint,
        lowerBoundType,
        range.hasUpperBound(),
        upperEndpoint,
        upperBoundType);
  }

  /**
   * Returns the whole range relative to the specified comparator.