[swift-evolution] mutating/non-mutating suggestion from a Rubyist

[Goffredo Marocchi]

Hello Dave,

> That makes these people suspicious of language features that could
> threaten to make classes “second-class citizens.”


...and that is unfortunate when emotions and resistance to positive change worsen the discussion, but if you take a look at discussion related to abstract classes and methods, there is not a lack of "POP is the new way, why dedicate time on this at all, let's invest in protocols alone..." kind of comments fearing that protocols did not receive deserved preferential treatment.

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> On 25 Apr 2016, at 19:48, Dave Abrahams via swift-evolution <swift-evolution at swift.org> wrote:
> 
> That makes these people suspicious of language features that could
> threaten to make classes “second-class citizens.”