This:

$link->url

[download]

... is a method call. Method calls don't interpolate in double-quoted strings. Try:

my @links = $mechObject->links();
foreach my $link (@links) {
   print $link->url;
}

[download]

Aside: there is actually a special trick for getting method calls (in fact, arbitrary code) to interpolate in strings though:

print "Here it is: @{[ $link->url ]}!\n"

[download]
perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

In reply to Re: confusing error >:( by tobyink
in thread confusing error >:( by Anonymous Monk

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