Proposal for SentinelInputRange

[deadalnix]

On Friday, 1 March 2013 at 01:46:34 UTC, Walter Bright wrote:
> On 2/28/2013 5:29 PM, Andrei Alexandrescu wrote:
>> On 2/28/13 7:34 PM, Walter Bright wrote:
>>> On 2/28/2013 4:07 PM, Jonathan M Davis wrote:
>>>> I just don't see how you're going to get a
>>>> performance gain from much of anything other than strings.
>>>
>>> I gave you other examples already. We're just going around in 
>>> circles.
>>
>> We're talking about an abstraction that doesn't exist, 
>> exemplifying with code
>> that doesn't use it. No wonder there's going to be 
>> miscommunication. The
>> solution is to spin some code.
>
> std.regexp uses sentinels in the bytecode.

I think nobody says that this technic is useless. Simply that a 
good compiler can take advantage of it without introducing an 
higher level concept of sentinel input range.