I can't comment on Ada or Ruby except to say that neither is known for being object oriented.
At least in the case of Ruby, you would be mistaken.

Makeshifts last the longest.

In reply to Re^2: Implementing (elisp-like) buffers in Perl 6: how to do buffer-localisation of arbitrary package variables? by Aristotle
in thread Implementing (elisp-like) buffers in Perl 6: how to do buffer-localisation of arbitrary package variables? by jonadab

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