-- | DeRefExpr ::= deref (Identifier)
deRefExpr :: Parser Expression
deRefExpr = DeRefExpr <$> (keyWord "deref" >> parens identifier)
deRefExpr :: Parser Expression
deRefExpr = DeRefExpr <$> (keyWord "deref" >> parens identifier)
deRefExpr = DeRefExpr <$> (keyWord "deref" >> parens identifier)