Re: [boost] Interest for a perl6-like-junctions-class?

From: Florian Stegner (FlSt_at_[hidden])
Date: 2005-08-18 11:02:23

David Abrahams wrote:

>Rob Stewart <stewart_at_[hidden]> writes:
>  
>
>
>Not with the parens in there.  What's that for?  Are you assuming
>some_predicate is the type of a stateless function object?
>
>   if (any_of(...) <<some_predicate>> 5)... // 1
>
>   if (any_of(...) <some_predicate> 5)... // 2
>
>   if (any_of(...) ^some_predicate^ 5)... // 3
>
>   if (any_of(...) /some_predicate/ 5)... // 4
>
>
>That's a little better.  I guess any of them but the last looks okay.
>
>Have you considered how/whether operator precedence will affect the
>usability of these?
>  
>
Yes we have done that in a private discussion. I think the minumum 
precendence must be higher than the &&, || operators. So that 
expressions like any_of( a ) <<pred()>> all_of( b ) && any_of( c ) < 
all_of( d ) are interpreted correct.

Florian.