use Carp::Always;
use Path::Tiny qw/ path /;
sub f{g(@_);}
sub g { r( @_ ); }
sub r { path(shift)->lines }
f(666);
__END__
Error open (<) on '666': No such file or directory at C:/citrusperl/site/lib/Path/Tiny.pm line 1469.
	Path::Tiny::Error::throw('Path::Tiny::Error', 'open (<)', 666, 'No such file or directory') called at C:/citrusperl/site/lib/Path/Tiny.pm line 126
	Path::Tiny::_throw('Path::Tiny=ARRAY(0xabe0a4)', 'open (<)') called at C:/citrusperl/site/lib/Path/Tiny.pm line 740
	Path::Tiny::filehandle('Path::Tiny=ARRAY(0xabe0a4)', 'HASH(0xae824c)', '<', undef) called at C:/citrusperl/site/lib/Path/Tiny.pm line 900
	Path::Tiny::lines('Path::Tiny=ARRAY(0xabe0a4)') called at - line 5
	main::r(666) called at - line 4
	main::g(666) called at - line 3
	main::f(666) called at - line 6