Re: Passing Str or undef ?


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Re: Passing Str or undef ?

by FunkyMonk (Chancellor)

on Apr 26, 2011 at 13:49 UTC ( [id://901350]=note: print w/replies, xml )

Need Help??

in reply to Passing Str or undef ?

Using MooseX::Declare you can...

use MooseX::Declare;

class Foo {
    method baz(Str|Undef $x) {
        say $x // '[undef]';
    }
};

Foo->new->baz($_) for undef, "hi", [], {};
__END__
[undef]
hi
Validation failed for 'Tuple[Tuple[Object,Str|Undef],Dict[]]' with val
+ue [ [ Foo=HASH(0x2645708), ARRAY(0x101e2...
  [+] Validation failed for 'Str' with value ARRAY(0x2105220) and Vali
+dation failed for 'Undef' with value...
[download]

MXD uses MooseX::Method::Signatures so I guess you'll be able to adapt the code above.