[squeak-dev] Message>>#= & Message>>#hash

David T. Lewis lewis at mail.msen.com
Mon Nov 19 17:51:17 UTC 2018

On Mon, Nov 19, 2018 at 09:32:17AM -0800, Eliot Miranda wrote:
> Hi All,
>     In VisualWorks Message implements #= & #hash naturally; two messages
> whose selectors and arguments are #= are also equal.  But in Cuis, Squeak
> and Pharo Message inherits #= and #hash from Object, i.e. uses identity
> comparison.  This is, to say the least, annoying.  Any objections to
> implementing comparing in Message to match VisualWorks?

That sounds like an obviously good thing to do :-)

Is the lookkupClass instance variable relevant for comparisons? I am
guessing not, since we already have #analogousCodeTo: for that type of


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