8 May
2008
8 May
'08
1:19 p.m.
Am Donnerstag, 8. Mai 2008 14:59 schrieb Mark Wallsgrove:
Thank you very much for your fast response!
Ok, that is now changed, but everything else in my program is expecting Catalogue without IO. Is there a way to change IO Catalogue into Catalogue?
Not a recommendable way. But there's no need to, your programme will probably look like main = do args <- getArgs let realArgs = parseArgs args catalogue <- loadData doSomething realArgs catalogue and doSomething might e.g. construct an updated catalogue and write it to a file.