Re: generic function and overloading

[Adam Beneschan <adam@irvine.com>]

On Oct 18, 11:58 am, "Dr. Adrian Wrigley"
<a...@linuxchip.demon.co.uk.uk.uk> wrote:
> On Thu, 18 Oct 2007 00:28:38 -0700, eliben wrote:
> > Hello,
>
> > I have a few "hardware" types, for example uint16 and uint32. And I
> > want to write a functions that will set or clear bits of such types.
> > For example:
>
> > function Bit_Set(word: uint16; bitn: natural) return uint16;
>
> > function Bit_Set(word: uint16; bitn: natural) return uint16 is
> >   mask: uint16 := 2**bitn;
> > begin
> >   return word or mask;
> > end Bit_Set;
>
> Have you checked that packed arrays of booleans aren't
> suitable?  usually you need type like this for interfacing
> with other languages (eg C) - but then you use the types
> in the appropriate Interfaces packages.  And you might
> use such a type when writing directly to a hardware
> register on a particular peripheral or bus.

Maybe that's the reason the original poster referred to them as
"hardware" types?????

                      -- Adam