On 14/02/2018 5:13 PM, Jonathan M Davis wrote:
On Wednesday, February 14, 2018 14:09:21 rikki cattermole via Digitalmars-d-
announce wrote:
On 14/02/2018 2:02 PM, Adrian Matoga wrote:
On Wednesday, 14 February 2018 at 10:57:26 UTC, rikki cattermole wrote:
See lines:
- Input!IR temp = input;
- input = temp;
bool commentLine() {
Input!IR temp = input;
(...)
if (!temp.empty) {
(...)
input = temp;
return true;
} else
return false;
}
`temp = input.save` is exactly what you want here, which means forward
range is required. Your example won't work for range objects with
reference semantics.
Ah I must be thinking of ranges that support indexing.
Random access ranges are also forward ranges and would require a call to
save here.
- Jonathan M Davis
Luckily in my code I can forget that ;)
