On Sun, Jul 12, 2009 at 12:07:14AM -0400, Chas. Owens wrote:
> On Sat, Jul 11, 2009 at 22:02, Minimiscience<[email protected]> wrote:
> > - How does one declare multiple variables of the same type with a single
> > "my" statement? Is it "my Int ($x, $y);", "my(Int $x, Int $y);", or
> > something else? Are the parentheses still necessary when declaring more
> > than one variable? What about when initializing more than one variable?
>
> At least currently, only
> my Int $x;
> my Int $y;
> works.
The following works also -- note there has to be a space between
"my" and the leading paren, or else it's treated like a function call:
my (Int $x, Int $y);
> > - Is there some sort of shortcut (e.g., of the form ".‽method") for calling
> > a method on an object if the object is defined and returning undef if it is
> > not defined? I was hoping that ".?method" could do this, but it doesn't
> > seem to (in Rakudo, at least).
>
> Not a clue.
".?method" seems to work for me in Rakudo:
$ cat x
my $x = undef;
say ($x.?foo).perl;
$ ./perl6 x
undef
Pm
