Add all the A tasks

Task/Anonymous-recursion/Perl/anonymous-recursion-2.pl

@@ -0,0 +1,13 @@
+sub fib {
+	my ($n) = @_;
+	die "negative arg $n" if $n < 0;
+	# put anon sub on stack and do a magic goto to it
+	@_ = ($n, sub {
+		my ($n, $f) = @_;
+		# anon sub recurs with the sub ref on stack
+		$n < 2 ? $n : $f->($n - 1, $f) + $f->($n - 2, $f)
+	});
+	goto $_[1];
+}
+
+print(fib($_), " ") for (0 .. 10);