Not only that, it makes your entire purchase free due to NaN arithmetic.
But as you mention, NaN propagates.
So at checkout, your wallet will become NaN, as the shops money balance. Then it will spread to your bank account and before you realize what happens the whole banking-district is in flames.
no, it costs NaN, now remove NaN from your account...
"That makes it free, right?"
Not only that, it makes your entire purchase free due to NaN arithmetic.
But as you mention, NaN propagates.
So at checkout, your wallet will become NaN, as the shops money balance. Then it will spread to your bank account and before you realize what happens the whole banking-district is in flames.
no, it costs NaN, now remove NaN from your account...
...oh no
Technically it has a pricetag, so...