On 1/15/15 4:46 PM, H. S. Teoh via Digitalmars-d wrote:
On Thu, Jan 15, 2015 at 03:24:29PM -0800, Andrei Alexandrescu via Digitalmars-d
wrote:
On 1/15/15 12:53 PM, H. S. Teoh via Digitalmars-d wrote:
Passing a range to a function may invalidate it unless you use .save.
Therefore, one should *always* use .save.
That's right. To simplify the problem space we might decree that
forward (or better) ranges with reference semantics are not allowed.
-- Andrei
That's not workable. It instantly makes InputRangeObject useless.
Indeed. That said we could achieve polymorphism with value objects; it's
just more complicated. I agree it's a tricky matter. -- Andrei
