gistfile1.txt

class Int is also {
    method postcircumfix:<[ ]> ($n) {
        self +> $n % 2
    }
    method flip ($n) {
        self +^ 2**$n
    }
}

my Int $x = 42; # 0b0101010

say $x;
print "last 8 bit reverse: ";
print $x[$_] for 0..7;
say "";
$x .= flip 5;
say "$x "~ $x.WHAT;
$x .= flip 5; # No applicable candidates found to dispatch to for 'flip'
say "$x "~ $x.WHAT;