$<foo>      match variable, short for $/{'foo'}

##</code><code>##

>> perl6 -v

This is Rakudo Perl 6, version 2011.07-2-g1b7dd12 built on parrot 3.6.0 RELEASE_3_6_0

>> perl6
> my $<-var> = 42
42
> $/
-var	42

> $/.WHAT
Hash()