On Monday, 30 January 2017 at 06:38:11 UTC, Jonathan M Davis
wrote:
Personally, I think that effectively having an alias for two
attributes in a single attribute is a confusing design decision
anyway and think that it was a mistake, but we've had folks
slapping in on stuff for years with no enforcement, and
flipping the switch on that would likely not be pretty.
- Jonathan M Davis
I've always thought of 'in' as a visual shorthand for "this
parameter doesn't care whether you give it a deep copy or a
shallow reference", personally.
