not a reference - What does this mean?

Perl 6 doesn't have references anymore, it has captures.  So, what does 
the following mean:

 @x = <foo bar>;
 $a = [1, 2, \@x];

I imagine that the 3rd element of the Array is itself an Array, and is 
the same object that is bound to @x.  But captures are lazy 
context-sensitive beasts, so I wonder if there is more poised to go on 
than I want or care about in this example.

  say $a[2] === @x;     #gives True
  @x[1] = "baz";
  say $a[2][1];  #gives baz

--John

• not a reference - What does this mean? by John M. Dlugosz
• Re: not a reference - What does this mean? by Jonathan Worthington