ctrlzjones

is there any object that passes a string of symbols only when these are different from the ones that went through it before, that filters repetitions?

object-like-change-for-symbols

am I misunderstanding this? zl change doesn't work for you?

thanks Gregory this is it. i never remember all these zl-thingies. great.

yeah, every symbol can just be treated as list with only one element, so many things work with zl

object like [change] for symbols