[swift-evolution] Proposal: Introduce User-defined "Dynamic Member Lookup" Types

[Jean-Daniel]

> Le 28 nov. 2017 à 22:56, Ben Rimmington via swift-evolution <swift-evolution at swift.org> a écrit :
> 
> I suggest using different subscripts for function/method calls and properties:
> 

While I perfectly understand why subscript is the best way to represent dynamic property, I don’t get how it help to abuse it to implement dynamic methods. Methods are not l-value, so why do you want to use a subscript for them ?

> * `value(...)`      ==> `value[dynamicFunction: ""](...)`
> * `value.name(...)` ==> `value[dynamicFunction: "name"](...)`
> * `value.name`      ==> `value[dynamicProperty: "name"]`
> …
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