Method isSimple

basex-core/src/main/java/org/basex/query/expr/Expr.java:432–434

Checks if this expression is deterministic, performs no updates, does not access the context value and position, and calls no higher-order function. @return result of check

()

   * @return result of check
   */
  public final boolean isSimple() {
    return !has(Flag.CTX, Flag.NDT, Flag.HOF, Flag.POS);
  }

  /**
   * Checks if this expression has free variables.