Bert,
On Aug 2, 2016, at 9:38 AM, Bert Freudenberg [via Smalltalk] <[hidden email]> wrote:
Firstly, these methods exist already. They are defined in SequencableCollection, a superclass of Array, so Array inherits them:
#('abc' 'def') join => 'abcdef'
#('abc' 'def') joinSeparatedBy: '/' => 'abc/def'