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[Caml-list] naming parts of optional arguments?

Chris Hecker
- Chris Hecker
  - Chris Hecker
    - Chris Hecker
      - Jacques Garrigue
        
        Chris Hecker
        
        Jacques Garrigue
        
        Chris Hecker
- Max Kirillov

Date:	-- (:)
From:	Chris Hecker <checker@d...>
Subject:	[Caml-list] naming parts of optional arguments?


Is there a way to name the components of an optional argument?

# let f ((x,y) as xy) = xy;;
val f : 'a * 'b -> 'a * 'b = <fun>
# let f ?xy () = xy;;
val f : ?xy:'a -> unit -> 'a option = <fun>
# let f ?((x,y) as xy) () = xy;;
Characters 8-9:
   let f ?((x,y) as xy) () = xy;;
           ^
Syntax error

Chris

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