(Program
{+(AnonymousFunction
    (ExpressionStatements
      (Params
        (Identifier))
      (Binary
        (Identifier)
        (Other "+")
        (IntegerLiteral))))+}
{-(AnonymousFunction
    (ExpressionStatements))-}
{-(AnonymousFunction
    (ExpressionStatements
      (Identifier)))-}
{-(AnonymousFunction
    (ExpressionStatements
      (Params
        (Identifier)
        (KeywordParameter
          (Identifier)
          (Boolean))
        (OptionalParameter
          (Identifier)
          (Identifier)))
      (IntegerLiteral)))-}
{-(AnonymousFunction
    (ExpressionStatements))-}
{-(AnonymousFunction
    (ExpressionStatements
      (Identifier)))-}
{-(AnonymousFunction
    (Identifier)
    (ExpressionStatements
      (IntegerLiteral)))-}
{-(AnonymousFunction
    (Identifier)
    (SplatParameter
      (Identifier))
    (Other "destructured_parameter"
      (Identifier)
      (Identifier))
    (ExpressionStatements))-})