what is this i don't even ...

gistfile1.txt

QAST::Operations.add_core_op('bindattr_i', -> $qastcomp, $op {
    if +@($op) != 4 {
        nqp::die('bindattr_i requires four operands');
    }
    if $op[1].has_compile_time_value && $op[2].has_compile_time_value {
        my $hint := -1;
        $hint := pir::repr_hint_for__IPs($op[1].compile_time_value, $op[2].compile_time_value);
        QAST::VM.new(
            :pirop<repr_bind_attr_int__0PPSii>,
            $op[0],
            $op[1],
            $op[2],
            $op[3],
            QAST::IVal(:value($hint))
        );
        $ops;
    } else {
        $qastcomp.as_post(QAST::VM.new(
            :pirop<repr_bind_attr_int__0PPSi>,
            $op[0],
            $op[1],
            $op[2],
            $op[3]
        ))
    }
});