In big projects I'd rather prefer a dedicated package instead of a prefix

Why? C_... and C'... give exactly the same level of segregation.

I think that you just like the cuteness of the latter. (So do I.) But how many of those that follow you will be completely confused, by that ancient syntax?

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
RIP an inspiration; A true Folk's Guy

In reply to Re^3: Named array indices by BrowserUk
in thread Named array indices by LanX

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