On Wednesday, 16 May 2012 at 21:40:39 UTC, Andrei Alexandrescu
wrote:
On 5/16/12 4:37 PM, Nick Sabalausky wrote:
One counter-argument that was raised is that TDPL has an
example on page 381
that indicates foreach iterates over an implicit copy. I don't
have a copy
handy ATM, so I can't look at it myself, but I'd love to see
Andrei weigh in
on this: I'm curious if this example in TDPL made that copy
deliberately, or
if the full implications of that copy were just an oversight.
It is deliberate and the intent is that millions of programmers
used to foreach from other languages don't scream "where is my
range???"
Andrei
I think this is the correct behavior as well. Otherwise, we'd
have to take extra care when writing generic code to ensure it
doesn't consume the range but doesn't attempt to call .save on
non-range types.
