[Pharo-project] Comparing collections, default behavior?
bouraqadi at gmail.com
Sat Feb 5 10:40:05 CET 2011
On 4 févr. 2011, at 17:06, Igor Stasenko wrote:
> Since Collection includes #difference: protocol,
> i just thought that the default equality could be expressed like following:
> Collection>>= otherCollection
> ^ (self difference: otherCollection) isEmpty
> In other words, if two things having no differences, then they are equal. No? :)
Need to check the species too.
I believe an array is different from a set even if they contain the same elements.
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