On 5/20/05, Autrijus Tang <[EMAIL PROTECTED]> wrote:
> So I'm finally starting to implement multi-level invocants in MMDs.
> I'd like to sanity check some cases first, though.
Dewarnocking time.
> Are these two assumed to be identical?
>
> multi sub foo ($x, $y)
> multi sub foo ($x, $y : )
>
> But these two are _not_ identical?
>
> multi sub foo ($x : $y : $z)
> multi sub foo ($x : $y : $z : )
Right.
> Is multiple colons usable in invocation? If yes, is these two
> assumed to be identical?
>
> $a.foo($b : $c);
> foo($a : $b : $c);
I believe they are. I'm not really sure what the difference between
the latter of those and:
foo($a, $b, $c);
is.
> S12 says all the following cases "come out to the same thing":
>
> $handle.close # 1
> close($handle) # 2
> close $handle: # 3
> close $handle # 4
>
> Does it mean that during invocation, when there is no colons and
> no dots, an implicit colon is added at the end, making all arguments
> same-level invocants and subject to MMD? That is, these are identical:
>
> foo($a, $b)
> foo($a, $b : )
>
> But these two are _not_:
>
> foo($a : $b : $c)
> foo($a : $b : $c : )
Hmm, I'm doubting that reflecting how many invocants you have on the
caller side is a good idea. It seems awfully brittle in the face of
reimplementation.
Luke
