NAME
PNI::Edge - is used to connect two slots
SYNOPSIS
# connects the output of a node to the input of another node
my $edge = PNI::Edge->new( source => $output, target => $input );
my $not_connected_edge = PNI::Edge->new;
METHODS
get_source
my $output = $edge->get_source;
get_target
my $input = $edge->get_target;
task
$edge->task
If edge is connected, pass data from target to source.