Pay attention that Singleton should not be about access but time.
If you can by adding on instance variable avoid to need a singleton then
it means that it was not a singleton.
A singleton is often:
you **CANNOT** have two instances at the same time.
Many people do not use well singleton so watch out.
Stef
On Thu, 19 Jan 2017 11:23:21 +0100, Siemen Baader <siemenbaa...@gmail.com>
wrote:
Is there a trait to quickly create singletons in Pharo, along the way of
the Ruby Singleton mixin?
https://ruby-doc.org/stdlib-1.9.3/libdoc/singleton/rdoc/Singleton.html
(and ideally also observer/observable, which I am going to need next..)
-- Siemen
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