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Programming-Idioms

History of Idiom 3 > diff from v8 to v9

Edit summary for version 9 by :
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Version 8

2015-08-21, 09:02:34

Version 9

2015-09-03, 12:55:37

Idiom #3 Create a procedure

Like a function which doesn't return any value, thus has only side effects (e.g. Print to standard output)

Idiom #3 Create a procedure

Like a function which doesn't return any value, thus has only side effects (e.g. Print to standard output)

Code 
f x = print x :: IO ()
Comments bubble
actually returns the side effecting action as reusable value