[Haskell-beginners] cascade of if statements

Sean Perry shaleh at speakeasy.net
Mon Nov 5 23:22:09 CET 2012


On Oct 31, 2012, at 3:25 AM, Emmanuel Touzery wrote:

>  I am checking if a file exists... and then if it exists I'm checking whether it's older than two hours from now. It is a bit annoying to have that second block in the else (i could make a second function but i think it all belongs in this function).

Check out this section of Real World Haskell. It should give you ideas.

http://book.realworldhaskell.org/read/io-case-study-a-library-for-searching-the-filesystem.html




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