================================================================================
Switch Statement - simple
================================================================================

switch x; end;

switch x;
end;

--------------------------------------------------------------------------------

(program
  (switch_statement
    value: (word))
  (switch_statement
    value: (word)))

================================================================================
Switch Statement - with cases
================================================================================

switch x; case '*'; end;

switch x
    case '*'
end

switch x
    case a b c d
        custom $x
end

--------------------------------------------------------------------------------

(program
  (switch_statement
    value: (word)
    (case_clause
      (single_quote_string)))
  (switch_statement
    value: (word)
    (case_clause
      (single_quote_string)))
  (switch_statement
    value: (word)
    (case_clause
      (word)
      (word)
      (word)
      (word)
      (command
        name: (word)
        argument: (variable_expansion
          (variable_name))))))
