code: @SuppressWarnings("unchecked")
      public static <T> SimpleExpression<T> set(Class<T> clazz, SimpleExpression<?>... exprs) {
          SimpleExpression<T> rv = (SimpleExpression<T>) exprs[0];
          for (int i = 1; i < exprs.length; i++) {
              rv = new SimpleOperation<T>(clazz, Ops.SET, rv, exprs[i]);
          }
          return rv;
      }
docs: Combine the given expressions into a set expression
  
  @param clazz type of list expression
  @param exprs list elements
  @return list expression