================================================================================
Simple Assignment
================================================================================

x = y

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

(root
  (statement
    (statement_kind
      (assignment
        (identifier)
        (assignment_operator)
        (statement
          (statement_kind
            (expression
              (identifier))))))))

================================================================================
Simple Assignment with Type
================================================================================

x <int> = y

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

(root
  (statement
    (statement_kind
      (assignment
        (identifier)
        (type_specification
          (type))
        (assignment_operator)
        (statement
          (statement_kind
            (expression
              (identifier))))))))

================================================================================
Map Item Assignment
================================================================================

x:y = 1

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

(root
  (statement
    (statement_kind
      (index_assignment
        (index
          (index_expression
            (identifier))
          (index_expression
            (identifier)))
        (assignment_operator)
        (statement
          (statement_kind
            (expression
              (value
                (integer)))))))))

================================================================================
List Item Assignment
================================================================================

x:9 = 'foobar'

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

(root
  (statement
    (statement_kind
      (index_assignment
        (index
          (index_expression
            (identifier))
          (index_expression
            (value
              (integer))))
        (assignment_operator)
        (statement
          (statement_kind
            (expression
              (value
                (string)))))))))