Just for completeness:
foo := Array streamContents:
	[strm |
	#(1 3 5) permutationsDo:
		[:perm |
		strm nextPut: perm copy"copy needed because there is a bug in
OrderedCollection>>permutationsDo:"]]

> Hello everyone.
> 
> I don't know if this is the correct forum but I can
> find no other mailing list so here goes (at 3:00am):
> 
> I need a Smalltalk 'AHA!' moment.
> 
> The following expression (Squeak 3.0)writes the
> permutations of
> #(1 3 5) to the Transcript as expected:
> 
> #(1 3 5) permutationsDo: [:each | Transcript cr;
>                                   show: each
> printString].
> 
> However, I can not figure out how to save the
> permutations to a
> variable, say 'Foo', with Foo having the value:
> 
>  #(#(1 3 5) #(1 5 3) #(3 1 5)...)
> 
> My efforts have typically ended up as #(nil nil ...),
> or an error, or
> something like #(#(1 3 5) #(1 3 5) #(1 3 5) ...)
> 
> Can someone enlighten me? It must be simple, but...
> 
> Thank you,
> Michael Grant
> 
> P.S. If there is a more appropriate list for newbie
> please let me know. 
> 
> 
> 
> 
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