Re: [boost] [type traits] add a set of templates to propagate constetc from one type to another?

Subject: Re: [boost] [type traits] add a set of templates to propagate constetc from one type to another?
From: Steven Maitlall (m.steven_at_[hidden])
Date: 2010-03-03 14:22:33

>
> What about something like

>
qualify_from< From, To, Interest >

>
qualify_from<const int, int>::type would be 'const int'

> qualify_from<volatile int, int>::type would be 'volatile int'

> qualify_from<const volatile int, int, const void>::type would be 'const
int'

> qualify_from<const volatile int, int, volatile void>::type would be
'volatile int'

>
and I suppose ...

>
qualify_from<int, const int>::type could be 'int'