How can I Define an Async Action in c#?

Question

I really want to know if there is a way to define action variables async? Or some alternative method?

public System.Action myAction; public async System.Action myAsyncAction; void Start() { // normal action myAction += () => { Debug.Log("Inject some code in runtime.."); }; // I want something like this that support wait time.. myAsyncAction += () => { await Task.Delay(2000f); Debug.Log("Inject some code in runtime.."); }; }

But Action is for void, and awaitables return something like a Task if they have no result value, or Task<T> if they have a result value. In either case the Task is the return value, so they aren't void (aren't Actions). Don't strive for ways to await void ;) — Caius Jard
– Caius Jard, Commented May 8, 2022 at 7:27
The case that Clinton mentioned. Fixed the problem. In fact, I was looking for a way to add code to the body during runtime. :)) thank u guys. — KiynL
– KiynL, Commented May 8, 2022 at 15:50

Clinton · Accepted Answer · 2022-05-09 01:54:01Z

6

I've used Func<Task> in the past. EG:

Func<Task> asyncMethod = async () => { await Task.Delay(1000); Console.WriteLine("done here"); }; await asyncMethod();

edited May 9, 2022 at 1:54

answered May 8, 2022 at 4:54

Clinton

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3 Comments

Caius Jard Over a year ago

Think there might be a better suffix than "..Action"

Clinton Over a year ago

Fair enough @CaiusJard, changed to asyncMethod

Theodor Zoulias Over a year ago

Between asyncAction and asyncMethod, I would prefer the former. :-)

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