Re: [boost] [tokenmap] updated perfect hash container in sandbox

Subject: Re: [boost] [tokenmap] updated perfect hash container in sandbox
From: Thorsten Ottosen (nesotto_at_[hidden])
Date: 2010-04-24 11:52:43

Slawomir Lisznianski skrev:
> Thorsten Ottosen wrote:
>Consider also to reorder your template arguments to make the interface
>> as close to normal maps as possible.
> 
> The intention was that the token-type, being limited to an integral 
> type, would default to an int which would work for vast majority of 
> cases. So the user could simply write:
> 
>     tokenmap<my_class> fast_map;
> 
> instead of:
> 
>     tokenmap<int, my_class> fast_map;
> 
> The second may give an impression that the key can be anything other, 
> whereas in reality it's quite limiting.
> 
> I don't feel strong about either method though.

Is suggest that you use BOOST_STATIC_ASSERT and a type_trait to make the 
requirement checked and explicit. And to make the syntax mimic that of 
normal maps.

-Thorsten