==================
@let statement
==================

@fn calc() { @let n = 42; }

---

(template
  (template_element
    (function_definition
      (identifier)
      (parameter_list)
      (content_block
        (template_node
          (template_control_flow
            (let_statement
              (simple_pattern
                (identifier_pattern
                  (identifier)))
              (expression
                (primary_expression
                  (literal
                    (number_literal
                      (integer_literal))))))))))))