Re: Should records be able to mimic primitive types?

[Stefan Monnier]

>> The reason why I disagree with them is because they are too costly
>> compared to the likelihood they'll ever help catch a bug
> That'd be in the "defenses are too expensive" department, right?

Right.  I just wanted to clarify that "expensive" is a relative notion:
in the case under discussion, the extra check is just a single `memq`
test on a fairly short list, so it's pretty cheap in itself; the only
reason why I find it too expensive is that the expected gain is just
extremely small.


        Stefan