Re: [boost] Re: [ANN] Spirit C++ parser framework.

From: joel de guzman (isis-tech_at_[hidden])
Date: 2001-05-29 17:36:48

From: "John Max Skaller" :
> This may not be natural. Consider the grammar:
> 
> int = digit *
> float = digit + ["." digit *] 
> 
> where [] means 'optional'. Using 'set' operators, 
> I have to write

Forgot to mention. Of course Spirit has the Optional construct. 

!a; // best I can think of considering conformance to c++ syntax

Enlightening reply, nonetheless, thanks.

Joel de Guzman