However, you want your method to return a Future like this: Future<int> myFutureCubedInt = cubed(3); Or to be able to use it more practically like this: int myCubedInt = await cubed(3);
Read moreHow do you throw an exception in flutter?
You can use either return or throw to throw an error or an exception.
Read moreHow is Whencompleted () different from then () in Future?
whenComplete will fire a function either when the Future completes with an error or not, instead . then will fire a function after the Future completes without an error .
Read moreHow do you deal with Future in Flutter?
Sometimes you don’t want to turn the function into a Future or mark it async, so the other way to handle a Future is by using the . then function . It takes in a function that will be called with the value type of your Future. It’s similar to a Promise in JavaScript without the resolve, reject explicitness.
Read moreHow do you wait in Flutter?
seconds; timer. start(); // do something to wait for 2 seconds await Future. delayed(const Duration(seconds: 2), (){}); expect(timer. seconds, startTime – 2); });
Read moreWhat is Future wait Flutter?
According to the flutter docs, Future. wait() : Returns a future which will complete once all the provided futures have completed, either with their results , or with an error if any of the provided futures fail.28 Eki 2020
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