Slide 5
Slide 5 text
sub retrieve_content_by_token_3 {
my ($token) = @_;
$token //= 'DEFAULT_TOKEN';
my $url = 'http://www.example.com/api?token=' . $token;
my $res = request($url);
return Failure->new($res->code)
if $res->is_error;
return Success->new($res->content);
}
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