Re: About conversions

[tgi@tgi2.dev.netgem.com (Tristan Gingold)]

In article <8ve71q$meh$1@nnrp1.deja.com>, Robert Dewar wrote:
>In article <u8zqe5klh.fsf@gsfc.nasa.gov>,
>  Stephen Leake <stephen.a.leake.1@gsfc.nasa.gov> wrote:
>> Robert Dewar <robert_dewar@my-deja.com> writes:
>> convert an out parameter would happen about as often as
>> needing to convert an in parameter, or a function result.
>
>Not at all! Because you think of an out parameter as an Lvalue,
>and conversions are not allowed as left sides in assignments.
>If you really believe the above, you would want backwards
>conversions on the left of assigments.
>
>Note that all other comparable languages allow conversions for
>input parameters, NONE of them allows these strange out
>conversions.
VHDL (at least vhdl93) has an (awful) mechanism to do conversions for
input and/or output parameters.

Tristan.