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by branko_d
1129 days ago
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> the screen of your app is also a source of asynchrony Exactly! That’s why wrapping a “dialog” or “form” or “screen” into a Promise is such a powerful technique. When the user closes the dialog, the promise resolves with a result (e.g. whether the user clicked OK or Cancel), which then you can use for whatever else needs to be done, including invoking another dialog/form/screen! This makes UI composable, and with async/await “hiding” the promise continuations, the syntax for doing that is essentially the same as when composing ordinary functions. |
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