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@olbrichj

olbrichj/trampoline.swift

Last active March 17, 2021 09:27
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trampoline.swift
func executeOnMain() {
if !Thread.isMainThread {
DispatchQueue.main.async(execute: {() -> Void in
executeOnMain()
})
return
}
// do something
}
@AlessioAnesa
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doesn't this need a return in the if block?
Otherwise, in case of code executing outside the main thread, the // do something part will be executed 2 times.

@olbrichj
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Author

updated. sry it took so long

@dvalenzuela-com
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It is still wrong. It should read:

func executeOnMain() {
  if !Thread.isMainThread {
    DispatchQueue.main.async(execute: {() -> Void in
      executeOnMain()
    })
    return
  }
  
  // do something
}

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