private static Iterable iterateFrom()

in model/src/main/java/jetbrains/jetpad/model/composite/Composites.java [498:527]

27 lines of code
2 McCabe index (conditional complexity)


  private static <ValueT> Iterable<ValueT> iterateFrom(final ValueT initial, final Function<ValueT, ValueT> trans) {
    return new Iterable<ValueT>() {
      @Override
      public Iterator<ValueT> iterator() {
        return new Iterator<ValueT>() {
          private ValueT myCurrent = initial;

          @Override
          public boolean hasNext() {
            return myCurrent != null;
          }

          @Override
          public ValueT next() {
            if (myCurrent == null) {
              throw new NoSuchElementException();
            }
            ValueT result = myCurrent;
            myCurrent = trans.apply(myCurrent);
            return result;
          }

          @Override
          public void remove() {
            throw new UnsupportedOperationException();
          }
        };
      }
    };
  }