On Thu, Apr 2, 2015 at 9:33 AM, Peter Uhnák <i.uh...@gmail.com> wrote:
> On Thu, Apr 2, 2015 at 8:30 AM, Joachim Tuchel <jtuc...@objektfabrik.de> > wrote: > >> In general, removing from a Collection while iterating through it leads >> to undefined results. The same is true for adding. >> > That is a question of approach; apart from mentioned #copy I could also do > something like > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > col := #(1 2 3 4 5) asOrderedCollection. > [col isNotEmpty] whileTrue: [ col remove: col first ]. > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > if I had an Iterator I could also reset it after each change. > > What I am asking is what the best approach would be - I want do some > processing for each item and remove it from the collection after it is done. > "If process indicates if it is worth removing the item" processed:= col select: [ :each | col process: each ]. col removeAll: processed. It is an interesting dicussion actually :-) Phil > > Peter >
