what happens when you await a function that has an await in it?

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+2 votes

i heard you can't get function States from await like yield can. so is it even possible to do that anymore?

related to an answer for: How to use "await" in godot 4.0 ?
in Engine by (65 points)

1 Answer

+1 vote

As expected the outer function will wait for the inner function complition and will continue it's run afterwards.
Just tried it out, it is possible and it works.

about yield, from: https://github.com/godotengine/godot/pull/39093

yield is now await
The yield keyword is removed in favor of await. You can use await somesignal which works the same as yield did before.
You can also do await myfunc() which is the same as yield(myfunc(), "completed") but it also works if the function isn't a coroutine:
it'll just run synchronously and get the returned value. Note that if myfunc() returns a signal, then it will wait for that signal to be emitted.

by (16 points)

Here's an example for those seeking:

func _ready():
    await a()
    print("done")


func a():
    await get_tree().create_timer(1).timeout
    print("timeout")
by (10 points)
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