7 Dec
2018
7 Dec
'18
3:59 a.m.
On Fri, Dec 07, 2018 at 09:44:03AM +0100, Damien Mattei wrote:
let noBD = fromOnly (Prelude.head bd_rows)
give me a solution, but i'm still searching a solution with map has in a list there could be more than one result...
So put this in your code let noBD = map _ bd_rows `_` will tell the compiler "tell me which type goes there". Then you can choose the appropriate function!