================================================================================
While Loop
================================================================================

while true {
  output ("This is a bad idea...")
}

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

(root
  (statement
    (while
      (expression
        (value
          (boolean)))
      (block
        (statement
          (expression
            (function_call
              (function_expression
                (identifier))
              (expression
                (value
                  (string))))))))))

================================================================================
Nested While Loop
================================================================================

while true {
  while x > 0 {
    x -= 1
  }
}

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

(root
  (statement
    (while
      (expression
        (value
          (boolean)))
      (block
        (statement
          (while
            (expression
              (logic
                (expression
                  (identifier))
                (logic_operator)
                (expression
                  (value
                    (integer)))))
            (block
              (statement
                (assignment
                  (identifier)
                  (assignment_operator)
                  (statement
                    (expression
                      (value
                        (integer)))))))))))))