Colin Putney wrote:
> I wouldn't call it a no-brainer. In fact, if it was up to me, I wouldn't 
> add these methods to the base image, for two reasons:
> 
> 1. They're not idiomatic Smalltalk. If you need to join a collection of 
> strings into a single string with a separator it's easy to do with 
> #streamConents: and #do:separatedBy:. If you find you're doing it so 
> often that you want something more succinct, that's a code smell.
> 
> 2. The base image should be getting smaller, not bigger. Split-join can 
> live quite well as an external package.
> 
> I've been asked about the lack of #join: a few times by people coming to 
> Smalltalk from Ruby or Python. They were incredulous that such a 
> fundamental thing was missing. But in Smalltalk it's not fundamental - 
> Smalltalk is object-oriented, not string-oriented.

+1 on all accounts.

Cheers,
   - Andreas