Promise<Void>

[David Mouton]

Hi,

I want to make a Promize without pamameter or value.

Actually i use a Bool as a value

private var _resolve:Bool->Void;
private var _reject:Bool->Void;

public function new() {
    _cache = new AssetLoaderCache();
}

public function load(url:AssetURL):Promise<Bool> {
    _url = url;
    _asset = _cache.getLoadingAsset(_url);

    return new Promise(loadPromise);
}

private function loadPromise(resolve:Bool->Void,reject:Bool->Void):Void{
    _resolve = resolve;
    _reject = reject;
    _resolve(true);
}

But i just want to call _resolve();

I dont need a boolean at all.

Any idea ?

Thanks

[Franco Ponticelli]

In thx we have a type `thx.Unit` whose only inhabitant is `unit`. That is the kind of type/value you want to use in these situations. Historically we use `thx.Nil` in `thx.Promise` but `Unit` is just a better name.

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[Yaroslav Sivakov]

My solution: use `Promise<{}>` and `resolve(null)`.

пятница, 22 сентября 2017 г., 10:27:43 UTC+3 пользователь David Mouton написал:

[David Mouton]

Thank you, but it's not better than a Promise<Bool> and resolve(true)