Re: [VOTE][RFC] Coercive Scalar Type Hints
| From: | Rasmus Lerdorf | Date: | Sat, 14 Mar 2015 02:50:32 +0000 |
| Subject: | Re: [VOTE][RFC] Coercive Scalar Type Hints | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-84756@lists.php.net to get a copy of this message | ||
On Mar 14, 2015, at 13:37, Levi Morrison <levim@php.net> wrote:
> It seems that
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float -> bool is always disallowed. If I am
> correct
> int -> bool is permitted for all values (not just 0 and 1),
> which
> means that floats which can be converted to integers without dataloss
> should also be permitted to be booleans. If a specific float can be
> converted to an int, and all ints can be converted to booleans, then
> the transitive property should hold for that float to a bool.
The problem there is what does "without dataloss" mean? At which precision do you consider
there to be no dataloss?
-Rasmus
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