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

[Letanyan Arumugam]

> On 07 Dec 2017, at 18:59, Joe DeCapo <snoogansbc at gmail.com> wrote:
> 
> 
>> On Dec 7, 2017, at 10:41 AM, Letanyan Arumugam <letanyan.a at gmail.com <mailto:letanyan.a at gmail.com>> wrote:
>> 
>> I think warning and error messages would be too much. I’m not concerned about things being implemented in this way just as long as it’s appropriate. I would think all language layers like Python should have trapping lookups and calls.
> 
> To be clear, I meant a message that shows up in the console, not something like a warning in the IDE. Similar to messages about autolayout constraints being violated, or something of that nature.

I think a better approach would still be to try and get the author of the type to make the right choice in the first place.
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