Method equals

basex-core/src/main/java/org/basex/query/expr/Expr.java:561–562

{@inheritDoc} This function is e.g. called by: If#optimize(CompileContext), Switch#optimize(CompileContext), Typeswitch#optimize(CompileContext), in order to discard identical expressions. CmpR#mergeEbv(Expr, boolean, CompileContext)

(Object obj)

   * </div>
   */
  @Override
  public abstract boolean equals(Object obj);
}