On Fri, Mar 13, 2015 at 8:50 PM, Rasmus Lerdorf <ras...@lerdorf.com> wrote: > On Mar 14, 2015, at 13:37, Levi Morrison <le...@php.net> wrote: >> It seems that `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?
Ah, I reread part of the RFC. It appears `float -> int` is unchanged from current. This only confuses me more, though. If int -> float is permitted, and float -> int is permitted, I do not understand why float -> bool is not permitted. Can someone clarify this? -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
