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POF#: warning FS0020: This expression should have type 'unit', but has type 'bool'
primarykey
Id
1108865
data
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1108911
AnswerCount
6
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2009-07-10T10:42:40.800
FavoriteCount
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LastActivityDate
2016-02-29T14:25:59.633
LastEditDate
2016-02-29T14:25:59.633
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1243762
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1
Score
3
ViewCount
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LastEditorDisplayName
text
Body
I'm trying to learn F# by going through some of the Euler problems and I found an issue I haven't been able to figure out. This is my naive solution. <pre><code>let compute = let mutable f = false let mutable nr = 0 while f = false do nr <- nr + 20 f = checkMod nr nr </code></pre> When i do this I get the error message warning FS0020: This expression should have type 'unit', but has type 'bool' on the expression "nr <- nr +20". I've tried rewriting and moving the expressions around and I always get that error on the line below the while statement. I'm writing this using VS2010 Beta.
Tags
<f#><unit-type>
Title
F#: warning FS0020: This expression should have type 'unit', but has type 'bool'
singulars
PostAcceptedAnswerId
1. PO
 singulars
 PostTypePostTypeId
 PTAnswer
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USGuy Coder
UserOwnerUserId
1. USPaxxi
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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
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 PostTypePostTypeId
 PTAnswer
2. PO
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 PostTypePostTypeId
 PTAnswer
3. PO
 singulars
 PostTypePostTypeId
 PTAnswer
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1. VO
 singulars
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 POF#: warning FS0020: This expression should have type 'unit', but has type 'bool'
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
2. VO
 singulars
 PostPostId
 POF#: warning FS0020: This expression should have type 'unit', but has type 'bool'
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId
1. This table or related slice is empty.

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