use Sub::Install qw(install_sub); use Test::More 'no_plan'; use strict; use warnings; sub source_method { my ($package) = @_; return $package; } { # install named method and let the name be the same install_sub({ code => "source_method", into => "By::Name" }); is( By::Name->source_method, 'By::Name', "method installed by name" ); } { # install via a coderef and let name be looked up install_sub({ code => \&source_method, into => "By::Ref" }); is( By::Ref->source_method, 'By::Ref', "method installed by ref, without name" ); }