[swift-evolution] Be able to initialise empty dict with array constrcutor

[James Campbell]

Perhaps instead of "auto" we could allow "lazy" to create a default lazy
constructor for these cases ?

On Tue, Jan 5, 2016 at 12:39 PM, James Campbell <james at supmenow.com> wrote:

> See this code:
>
> var distanceCache: [Int: Int] = Dictionary<Int, Int>()
> It is very long and tedious to write especially if what I am storing
> changes.
>
> I propose we be allowed to do the following:
>
> *var distanceCache: [Int: Int] = []*
>
> If this isn't possible then I wouldn't mind having some way of telling the
> compiler to auto create it like so:
>
> *var distanceCache: [Int: Int] ()*
>
> or
>
> *var distanceCache: [Int: Int] = new Dictionary*
>
> or even:
>
> *var distanceCache: [Int: Int] = auto*
>
> *auto var distanceCache: [Int: Int]*
>
> (auto short for auto create)
>
>
> Perhaps this dictionary syntax is just confusing and it was a bad idea to
> make it the same as an array. Most languages use "{" so why did swift
> choose to share "[" with arrays and dictionaries.
> --
>  Wizard
> james at supmenow.com
> +44 7523 279 698
>



-- 
 Wizard
james at supmenow.com
+44 7523 279 698
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-evolution/attachments/20160105/04235352/attachment.html>