Its about the lazyness of reading the file. The handles on the file
associated (underlying readFile) is still open - hence the resource
being in use.
When you add that extra line the act of writing out the remainer
causes the rest of the input to be fully evaluated and hence the
filehandle is
Hi Neil,
When you add that extra line the act of writing out the remainer
causes the rest of the input to be fully evaluated and hence the
filehandle is closed.
Ah, yes of course :)
I've found that:
let (answer2, remainder) = parseAnswer (force answer)
where
force :: Eq a = a - a
force x
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Hi,
I am observing some rather strange behaviour with writeFile.
Say I have the following code:
answer - AbstractIO.readFile filename
let (answer2,
