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

[Joe DeCapo]

> On Dec 7, 2017, at 10:41 AM, Letanyan Arumugam <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.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-evolution/attachments/20171207/af30d8ff/attachment.html>