package Net::WebSocket::X::UnknownExtension;
use strict;
use warnings;
use parent qw( Net::WebSocket::X::Base );
sub _new {
my ($class, $extension) = @_;
my $disp_val = $extension;
$disp_val = q<> if !defined $disp_val;
return $class->SUPER::_new(
"The server’s handshake included an unknown extension, “$disp_val”.",
extension => $extension,
);
}
1;
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