It appears to be to be a discrepancy between the smalltalk way and these 
'other' languages.

in ruby

[ 'a', 'b', 'c' ].join(', ')

in smalltalk to achieve the same thing, including the specification that 
the result should be a String, arguably could be

' ,' join: #('a' 'b' 'c')

but I can bet that if you are trying to satisfy the aesthetic 
requirements of users of 'other' languages (those languages with 
supposedly less brackets), they will take one look at this smalltalk 
version and say that it is the wrong way around.

so... if you do want the wrong way around for them, we need a right way 
around for us.
how about #joining:

aCollection>>join:bCollection
^bCollection joining: aCollection

#('a' 'b' 'c') join: ', '.

', ' joining: #('a' 'b' 'c')


Keith



		
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