Re: Transience of .front in input vs. forward ranges

[Tommi]

On Tuesday, 6 November 2012 at 04:31:56 UTC, H. S. Teoh wrote:
The problem is that you can't do this in generic code, because 
generic code by definition doesn't know how to copy an
arbitrary type.

I'm not familiar with that definition of generic code. But I do 
feel that there's a pretty big problem with a language design if 
the language doesn't provide a generic way to make a copy of a 
variable. To be fair, e.g. C++ doesn't provide that either.