[egeozcan]

JavaScript had something close, valid on the context level, with "use strict" (which is, I guess, borrowed from Perl), and I still don't understand why they don't repeat that for newer features that would be much simpler if they broke backwards compatibility.

[Macha]

Didn't this end up in every Perl file having a ton of different "use" statements at the top for features that became expected?

[egeozcan]

Perl model of enabling features individually was indeed too much, I was suggesting a language-level switch.