Suggestion - Runtime warnings in debug builds if @MainActor methods/vars are called from background threads

[ConfusedVorlon]

I figured I should stop complaining about the lack of documentation, and have a go myself at writing the @MainActor rules...

Documenting what @MainActor actually does

tldr; I have tried to document the rules myself, and would appreciate feedback: https://blog.hobbyistsoftware.com/2022/11/mainactor-the-rules/ I have been banging on for a while about how Apple/Swift should document what @MainActor actually does. This has bubbled up in a separate discussion about warnings when @MainActor rules are broken Which in turn reference some blog posts I have written on the subject. https://blog.hobbyistsoftware.com/2022/11/five-ways-to-break-swift-concurrency/ ht…