in reply to Re^2: Extending a perl program with Scheme, Lua, or JS
in thread Extending a perl program with Scheme, Lua, or JS

Maybe your version of Marpa is too old? Consult 
perldoc Marpa::R2

[download]
locally instead of the online manual of the latest version.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In Section Seekers of Perl Wisdom