Re: What would you like in Ada202X?

[Mart van de Wege <mvdwege@mail.com>]

Georg Bauhaus <rm.dash-bauhaus@futureapps.de> writes:

>>
>> Although it *is* considered good practice to put your 'next' statements
>> at the top of the loop to make clear on what conditions the main body
>> will be skipped.
>
> Actually, "next" in Perl doesn't jump to the top of the loop.

I didn't actually say that. Read carefully.

'next' will immediately skip to the next iteration of a loop. Processing
of the loop body stops at next; therefore it is considered good practice
to put your 'next' statements at the top of the loop, so that it is
immediately clear under which conditions the loop body is skipped.


>
>> 'next' statements littered throughout the body of the
>> loop are frowned upon.
>
> Yet, multiple uses of "last"(?) were recommended to emulate
> a switch statement prior to Perl 5.something...

Oh, I'm not saying Perl is without warts. But I still like it a lot,
even if I'm really warming up to Ada as well (and isn't that a weird
pair of favourite programming languages?).

But as for the missing switch, using 'last' was one way to build one,
alternating elsif blocks another, and my particular favourite was to use
a dispatch table using a hash of sub references.

Mart
-- 
"We will need a longer wall when the revolution comes."
    --- AJS, quoting an uncertain source.