$arch{$type}->("some stuff") simply calls the subroutine (see perlref), so you can capture the return value from it just as you would any other subroutine: 

my $retval = $arch{$type}->("some stuff");

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Update: You may also find Implementing Dispatch Tables helpful (from our Tutorials section).

In reply to Re: return data from a subroutine reference... by bobf
in thread return data from a subroutine reference... by abachus

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