Re: [boost] Spirit Iterators

From: joel de guzman (isis-tech_at_[hidden])
Date: 2001-05-31 05:15:02

From: "joel de guzman" :

> Hi,
> 
> I posted the initial release of Spirit with iterators as 
> proposed here. The Kleene star (*, zero or more) 
> and the positive operator (+, one or more) remain 
> as is. In addition, the new iterator syntax generalizes 
> repetitions. We have:
> 
>     a.Repeat(8);            // repeat a 8 times
>     a.Repeat(8, 20);      // repeat a 8 to 20 times
>     a.Repeat(8, more);  // repeat a 8 or more times
> 
> And shorthands:
> 
>     a(8);             // repeat a 8 times 
>     a(8, 20);       // repeat a 8 to 20 times 
>     a(8, more);   // repeat a 8 or more times
> 

I could throw in:

    a.Optional();   //  a is optional
    a.Repeat();     //  repeat a 0 or more times

for free.... Comments?

Joel de Guzman