Neither of these works btw.
func bar(myString = “hello”)
class Baz {
let myString = { return “hello” }()
}
> On Apr 9, 2017, at 11:26 PM, Jean-Daniel <[email protected]> wrote:
>
> I’m full -1 on this one. It will make the language inconsistent. How do you
> explain a new comer that type inference work in some case, but not in other
> cases, while in both the compiler is completely capable to define the type.
>
> Why
>
> let myString = "hello"
>
> would be accepted but not
>
> class Foo {
> let myString = "hello"
> }
>
>
>
>> Le 10 avr. 2017 à 04:05, Daniel Duan via swift-evolution
>> <[email protected] <mailto:[email protected]>> a écrit :
>>
>> I’m still not sure whether *I* want this. But here’s a proposal anyways:
>> https://gist.github.com/dduan/5017a0b0f0880d014f4ce14c4ca7fb55
>> <https://gist.github.com/dduan/5017a0b0f0880d014f4ce14c4ca7fb55>
>>
>>> On Apr 7, 2017, at 12:21 AM, Daniel Duan via swift-evolution
>>> <[email protected] <mailto:[email protected]>> wrote:
>>>
>>> Hi all,
>>>
>>> In a discussion about inferring parameter types from default value, Slava
>>> brought up some performance problems caused by type inference for stored
>>> properties in side types:
>>>
>>> https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20170313/033882.html
>>>
>>> <https://lists.swift.org/pipermail/swift-evolution/Week-of-Mon-20170313/033882.html>
>>>
>>> Towards the end, the post mentioned that some Swift team members
>>> contemplated requiring types for stored properties in type declarations. I
>>> think this idea deserves some more attention. Hence this last minute
>>> idea-floating.
>>>
>>> In addition to solving a performance headache in implementation, there're
>>> always the general benefit of making type declartion more explicit and
>>> readable (clarity for reader should out-weigh pleasure of the author).
>>> Making the
>>> language slightly more consistent (we are not inferring types for default
>>> parameter values in function anyways).
>>>
>>> The cons for doing this are obvious too: the inference makes the language
>>> feels more friendly and is, undoubtedly, a beloved feature for many. This
>>> would be a source breaking change.
>>>
>>> Just thought I'd float the idea to gather some quick reaction. What do
>>> y'all think?
>>>
>>> Daniel Duan
>>> _______________________________________________
>>> swift-evolution mailing list
>>> [email protected] <mailto:[email protected]>
>>> https://lists.swift.org/mailman/listinfo/swift-evolution
>>
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