StackOverflow2013

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plurals

POThis expression has type int -> int but is here used with type int
primarykey
Id
5465786
data
AcceptedAnswerId
0
AnswerCount
1
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2011-03-28T22:28:01.550
FavoriteCount
0
LastActivityDate
2012-09-16T21:13:31.440
LastEditDate
2012-09-16T21:13:31.440
LastEditorUserId
387076
OwnerUserId
681056
ParentId
0
PostTypeId
1
Score
0
ViewCount
388
LastEditorDisplayName
text
Body
<blockquote> <p>Write a function <code>rindex l e : 'a list -> 'a -> int</code> that takes a list and a single element and returns the position of the last occurrence of that element in the list (indexed by zero). You should return -1 if the element is not in the list.</p> </blockquote> <p>This is my attempt, but I get the error “<code>This expression has type int -> int but is here used with type int</code>”. What's worong?</p> <pre><code>let rec finderd l e n r= match l with [] -> r |(h::t) -> if h=e then (finderd t e (n+1) n) else (finderd t e (n+1) r);; let rindex l e =(finderd l e 0 -1);; </code></pre>
Tags
<types><syntax><ocaml>
Title
This expression has type int -> int but is here used with type int
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USGilles
UserOwnerUserId
1. UShelp
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. PO
  singulars
  PostTypePostTypeId
  PTAnswer
VotesPostIdCreationDate
1. This table or related slice is empty.
CommentsPostId
1. This table or related slice is empty.

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