I've never seen a syntax like $object->(list)

The variable is likely not a full object but just a simple coderef. eg:

#!/usr/bin/env perl
use strict;
use warnings;

my $code = sub { print "I found a $_!\n" for @_ };

$code->('x', 'y', 'z');

[download]

See Arrow Notation in perlref for more.

🦛

In reply to Re: Why does Net::SFTP and Net::SSH::Perl not use "known_hosts" (coderefs) by hippo
in thread Why does Net::SFTP and Net::SSH::Perl not use "known_hosts" by misterperl

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