It is helpful in the sense that it tells us what’s really inconsistent: beginner’s have to learn when inference is available when declaring their types. That’s story is sketchy. > On Apr 10, 2017, at 8:55 AM, Sean Heber <[email protected]> wrote: > > This is not really a helpful comment, but: I kinda wish they did. > > l8r > Sean > >> On Apr 10, 2017, at 10:54 AM, Daniel Duan via swift-evolution >> <[email protected]> wrote: >> >> 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]> a écrit : >>>> >>>> I’m still not sure whether *I* want this. But here’s a proposal anyways: >>>> https://gist.github.com/dduan/5017a0b0f0880d014f4ce14c4ca7fb55 >>>> >>>>> On Apr 7, 2017, at 12:21 AM, Daniel Duan via swift-evolution >>>>> <[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 >>>>> >>>>> 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] >>>>> https://lists.swift.org/mailman/listinfo/swift-evolution >>>> >>>> _______________________________________________ >>>> swift-evolution mailing list >>>> [email protected] >>>> https://lists.swift.org/mailman/listinfo/swift-evolution >>> >> >> _______________________________________________ >> swift-evolution mailing list >> [email protected] >> https://lists.swift.org/mailman/listinfo/swift-evolution >
_______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
