On May 21, 2006, at 22:29, Matt Diephouse wrote:
foo([,[EMAIL PROTECTED]); # okay: @onetothree flattened to
three args
In this example, $x, $y, and $z are positional args. I would expect C<
foo(1,2,3) > and C< foo([,[EMAIL PROTECTED]) > to be identical calls --
even wrt multi dispatch. $x, $y, and $z are still positional even if
foo is called with a flattened array, right?
[,] (reduce operator) is a function call, which is creating a lazy list
of 'Captures'
From S02:
o List context in Perl 6 is by default lazy. This means a
list can
contain infinite generators without blowing up. No
flattening hap-
pens to a lazy list until it is bound to the signature of a
func-
tion or method at call time (and maybe not even then). We
say that
such an argument list is "lazily flattened", meaning that we
promise to flatten the list on demand, but not before.
That's still no sign of providing multi invocants, the more that could
easily cause double dispatch - first find a multi that might or might
not slurp then possibly redispatch according to some flattened
positionals.
leo
