Proto for Boost mailing list page: Re: [proto] Visitor Design Pattern

Subject: Re: [proto] Visitor Design Pattern
From: Joel.Falcou_at_[hidden]
Date: 2010-10-26 01:01:34

> There, that's better. I don't think I'll mess with it any more. Go ahead
> and use it, Thomas.

just a small question: what if I need a transform that use external data ?
in nt2, we have thsi compute trnsform that recursively eats the AST and
call the approprite function passing a n dimension position tuple as a
data.

I guess I could pass it as a state but will we have any other alternative ?