[swift-evolution] [Proposal] Automating Partial Application via Wildcards

Gwendal Roué gwendal.roue at gmail.com
Tue Feb 2 12:26:20 CST 2016


Any operator character would be bad, since the function may accept it, as in `[1,2,3].reduce(1, combine: *)`

Gwendal

> Le 2 févr. 2016 à 19:24, Erica Sadun via swift-evolution <swift-evolution at swift.org> a écrit :
> 
> 
>> On Feb 2, 2016, at 11:20 AM, Chris Lattner <clattner at apple.com> wrote:
>> 
>> On Feb 2, 2016, at 10:16 AM, Erica Sadun <erica at ericasadun.com> wrote:
>>>> 
>>>> One superficial comment on this: the use of _ here is a bad idea.  _ already means something in expressions - “discard”, and a closely related thing in declarations - “ignore”.  
>>>> 
>>>> Adding a third very different thing (placeholder to be filled in later) seems like a really confusing thing to do.
>>>> 
>>>> -Chris
>>>> 
>>> 
>>> 
>>> #?
>> 
>> # means “macro like” or “compiler synthesized”.
>> 
>> -Chris
>> 
> 
> * would be bad, right? And naked ?-marks?
> 
> -- E
> 
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