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On Tue, Jul 2, 2019 at 5:02 PM Egor Skriptunoff <> wrote:
On Wed, Jul 3, 2019 at 12:37 AM Sean Conner wrote:

  Um ... it's Tuesday.  Shouldn't this come out tomorrow?

It's Wednesday in Moscow.
So, I can start nitpicking.
Apparently you still can not :-)

> Why they must be const?

  I think it's to prevent the value from being lost and thus, not closed.

Do we need this "protection"?
Which adversary we should be protected from?

Typographical / logical errors. It's defensive programming -- the entire reason for using "const" even though you can theoretically write a correct program without it.

/s/ Adam