==================
This Assignment
==================

class Foo(){
  var foo = null
  constructor(bar:Int) {
    this.foo = bar
  }
}

---
(source_file
  (class_declaration
    (type_identifier)
    (primary_constructor)
    (class_body
      (property_declaration
        (variable_declaration
          (simple_identifier)))
      (secondary_constructor
        (parameter
          (simple_identifier)
          (user_type
            (type_identifier)))
        (statements
          (assignment
            (directly_assignable_expression
              (this_expression)
              (navigation_suffix
                (simple_identifier)))
            (simple_identifier)))))))

==================
Index Assignment
==================

fun main(){
  var listOfPets:Array<String>
  listOfPets[0] = "foo"
}

---

(source_file
  (function_declaration
    (simple_identifier)
    (function_body
      (statements
        (property_declaration
          (variable_declaration
            (simple_identifier)
            (user_type
              (type_identifier)
              (type_arguments
                (type_projection
                  (user_type
                    (type_identifier)))))))
        (assignment
          (directly_assignable_expression
            (simple_identifier)
            (indexing_suffix
              (integer_literal)))
          (line_string_literal))))))