Method toString

core/src/main/java/org/apache/calcite/util/ArrowSet.java:264–277

()

  }

  @Override public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append("ArrowSet{");
    boolean first = true;
    for (Arrow arrow : getArrows()) {
      if (!first) {
        sb.append(", ");
      }
      sb.append(arrow);
      first = false;
    }
    sb.append('}');
    return sb.toString();
  }

  /**
   * Returns true if, from this ArrowSet, one can deduce that {@code determinants}