If I understand your problem correctly, you can simply use ...^ to leave out the last element :)
On 09/11/2017 10:01 PM, Marc Chantreux wrote: > hello, > > doing maths with my kid, i just translated his spreadsheet with those > lines of haskell: > > rebonds height loss = height : rebonds (height - height * loss) loss > main = print $ takeWhile (> 2) $ rebonds 116 0.6 > > then i wanted to make it as short as possible in perl6, i'm almost > there: > > (116, * * .6 ... * < 2 ).say > > but the first $_ < 2 remains in the list. the only one alternative i see > is a gather/take loop but i really expect something shorter from perl6 > :) > > any idea ? > > regards > >