` mapNotNull it second map it doSmth it first ` kotlinlang #announcements

`.mapNotNull { it.second }.map{ it.doSmth(it.first...

karelpeeters

11/03/2018, 10:53 PM

.mapNotNull { it.second }.map{ it.doSmth(it.first) }

APXEOLOG

11/03/2018, 11:15 PM

But i will loose

it.first

of the pair then

Mike

11/04/2018, 2:12 AM

maybe change the first map to mapNotNull { it.getFullUpdate()?.let {it to it.getFullUpdate()} ?: null } Or the comparable

if

in the mapNotNull. Would have to test to ensure it returns a Pair with non-null types in it. Not sure how clean that is, though.