[squeak-dev] The defaullt implementation of isEmpty might do too much work

Nicolas Cellier nicolas.cellier.aka.nice at gmail.com
Thu Oct 20 16:40:26 UTC 2016

The default behavior is to rely on ^self size = 0.
But default size is doing too much (it iterates over all elements).
It's OK for most of our classes which know very well about their size and
override #size.
It's not OK for an eventually lazy or infinite subclass.
I realized this by answering
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