All pastes #257788 Raw Edit

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#257788 ·published 2006-11-25 19:42 UTC
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datatype card = Card of int*int

fun 	madeCard("klover",n:int)=if n>1 andalso n<15 then SOME Card(1,n)else NONE


SOME Card(1,n)

! Type clash: expression of type
!   (int * int -> card) option
! cannot have type
!   'a -> 'b