http://www.perlmonks.org?node_id=853698


in reply to Re^5: Perl 6, latest Rakudo bug or error on my part?
in thread SOLVED: Perl6, latest Rakudo bug or error on my part?

I think perl6 use tilde(~) for concatenation not underscore ;)

IIRC in the year 2003 it was underscore :)