Programs are compiled in memory, it just isn't written out to disk.
On Mon, Oct 21, 2019 at 3:33 AM Marcel Timmerman <mt1...@gmail.com> wrote:
> @yary
>
> Thanks for your answer. I've done it too and saw the same kind of result.
> But then I thought I've read it somewhere that programs are not compiled,
> only modules. So I must write a module to check it.
>
> But if anyone knows, it would be faster ;-)
>
> Regards,
>
> marcel
> On 20-10-2019 22:59, yary wrote:
>
> Seems like we can answer "Is it also true when compiling?" by putting the
> REPL code into a file!
>
> $ cat order-execution.raku
> class Y { method y (Int $y) {note $y}}
> my Y $y .= new;
>
> sub b (Int $i --> Int) { note "about to increment i above $i"; $i + 10 }
>
> say b(10);
>
> say $y.?y(b(11));
>
> say $y.?undef(b(12));
>
> $ perl6 order-execution.raku
> about to increment i above 10
> 20
> about to increment i above 11
> 21
> True
> about to increment i above 12
> Nil
>
> $ perl6 --version
> *This is Rakudo Star version 2019.03.1 built on MoarVM version 2019.03
> **implementing
> Perl 6.d.*
>
> Yes Rakudo is executing the args for something that it doesn't end up
> calling. Seems overly-eager for a language that is properly lazy by design.
> I'd be interested in seeing documentation for this order-of-operations if
> it exists.
>
> By the way I had to look up .? -
> https://docs.perl6.org/language/operators#index-entry-methodop_.%3F
>
> methodop .? <https://docs.perl6.org/language/operators#___top>
>
> Safe call operator. $invocant.?method calls method method on $invocant if
> it has a method of such name. Otherwise it returns Nil
> <https://docs.perl6.org/type/Nil>.
>
> Technically, not a real operator; it's syntax special-cased in the
> compiler.
>
> -y
>
>
> On Sun, Oct 20, 2019 at 10:12 AM Marcel Timmerman <mt1...@gmail.com>
> wrote:
>
>> Hello all,
>>
>> I've a small question where I want to know what is processed first in
>> the following line
>>
>>
>> $my-object.?"my-method"(some-complex-argument-calculation())
>>
>>
>> Will the sub 'some-complex-argument-calculation()' always be run even
>> when 'my-method' is not available because the sub must be executed
>> before the method is called.
>>
>>
>> In the REPL the sub is called despite a method is not defined. Is it
>> also true when compiling?
>>
>>
>> > class Y { method y (Int $y) {note $y}}
>> (Y)
>>
>> > my Y $y .= new
>> Y.new
>>
>> >sub b (Int $i --> Int) { note "$i"; $i + 10 }
>> &b
>>
>> > b(10)
>> 10
>> 20
>>
>> > $y.?y(b(10))
>> 10
>> 20
>> True
>>
>> > $y.?undef(b(10))
>> 10
>> Nil
>>
>>
>> Regards
>> Marcel
>>
>
