The anonymous monk below is right:

use Module::Info;

my $mod = Module::Info->new_from_file('Some/Module.pm');
# my @packages = $mod->packages_inside;
my @subs     = $mod->subroutines;
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« subroutines …Returns a hash of all subroutines defined inside this module and some info about it. The key is the *full* name of the subroutine (ie. $subs{'Some::Module::foo'} rather than just $subs{'foo'}), value is a hash ref with information about the subroutine…»