On 02/02/15 21:17, Christoph Becker wrote:
>> Instead of multiple strict scalar hints (e.g. function addVat(int|float
>> $amount){...}), I would prefer to have "numeric" as strict type:
>> > function addVat(numeric $amount){...}
> Have you considered
>
> addVat(-1);
Also addVat(1.235); which will be rounded to two decimal places ...
silently in this case.
A negative amount may be acceptable - credit note - and a one off price
may be a finer fraction, but this example shows a couple of other
potential errors.
As I have already said ... 'strict' may well only be a subset of the
error check. A "numeric" type would introduce the problem of scale of
number. Something which any of the database extensions already manage on
a field by field basis.
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