[Caml-list] Records: syntax error...

["chris.danx" <chris.danx@ntlworld.com>]

Hi,

I'm working my way through the ocaml book, and came across one exercise 
I can't get to work (sort of).  The exercise asked to define insert over 
the following type

type 'a dList =
   {l: 'a list; compare : 'a -> 'a -> bool; in_order : bool};;

I can get it to work with code similar to the solution, but since I had 
defined a merge function in the same file I decided to try using pattern 
matching on the record...


let insert item dl =
   match dl with
       {l = _; compare = _; in_order = true}  ->
               {merge dl.compare (dl.l, [item]), dl.compare, true}
     | {l = _; compare = _; in_order = false} ->
               {item::dl.l, dl.compare, false};;

but ocaml complains of a syntax error at dl.compare.  What did I do wrong?



Thanks,
Chris

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