20 May
2014
20 May
'14
1:25 p.m.
As Niklas already pointed, and his message seems to have been ignored for some reason, search for "Idiom brackets" -- they solve a very similar (same?) problem.
Yes I know I looked it up and it was very complicated. I didn't understand everything. But as it looks like you would have to put everything into that bracket. The idea here is that you just put the (IO a) in the bracket. silvio