On 12/12/2013 08:19 AM, Adam D. Ruppe wrote:
> Consider the following:
>
> struct JustZeroes {
> int front = 0;
> enum bool = false;
You meant empty = false;
> void popFront() {}
> }
>
> Is that guaranteed to work as an input range?
Yes it is perfectly fine. And if it works for empty it should work for
front. ;) The presence of std.range.hasLvalueElements is another
indicator that it fine. Finally, if std.range.isInputRange returns true,
it is an InputRange.
Ali
