Great, thanks. I'll dig into the older
List::Util to see how the error happens, as I don't want to install an older version of a core module in the test suite of
Syntax::Construct :-)
map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]