Proposal for SentinelInputRange

[Jacob Carlborg]

On 2013-02-28 15:08, Artur Skawina wrote:

> Having said that, I've used this approach in a D lexer, and it does not really
> matter in practice - avoiding the length (or '\0' sentinel) check makes a
> <~1ms difference when lexing "datetime.d" sized objects (1.5Mbytes+, 460k+ tokens).
> Which is practically irrelevant both in an IDE context and a compiler context
> - other processing will be be orders of magnitude more expensive. An IDE doesn't
> need to re-lex the whole file after every key press and 1ms won't make any
> difference for a compiler run.

It's not about lexing a single file like std.datetime. We're takling be 
able to fast lex, I don't know, 100 or 1000 of files like std.datetime.

-- 
/Jacob Carlborg