[swift-users] Design guidelines for computed property vs no-arg method
dabrahams at apple.com
Thu Jul 6 16:14:08 CDT 2017
on Wed Jul 05 2017, Jens Persson <swift-users-AT-swift.org> wrote:
> On Wed, Jul 5, 2017 at 11:50 PM, Dave Abrahams via swift-users <
> swift-users at swift.org> wrote:
>> As a name, signum falls into the “term-of-art” category, so at least
>> that part is in conformance to the guidelines. In specialized areas
>> like this one, I generally defer to the domain experts, and IIRC our
>> numerics people thought a function was more appropriate. In general,
>> though, we were unable to come up with solid guidelines for the use of
>> properties vs. functions. You can read more about this in the thread
>> that starts here:
> Thanks, I'll read that thread.
> I am however noting that FloatingPoint.sign is a computed property.
> Seems to me like the "term-of-art" category is a rather fussy and
> complicated/complicating concept.
I understand. Unfortunately it is necessary unless we are going—for
example—to start spelling out sine(x) and cosine(x), which would not be
acceptable to important constituencies of the language.
More information about the swift-users