say $*KERNEL; say $*DISTRO; say $*VM; my $n = 1_000_000; my @a; my $t = now; for ^$n {@a.push($_)}; say "{@a.elems} Method: {now - $t}"; my @b; $t = now; for ^$n {@b.push:$_}; say "{@b.elems} Colon no space: {now - $t}"; my @c; $t = now; for ^$n {@c.push: $_}; say "{@c.elems} Colon space: {now - $t}";