flutter in hindi || Async await and future keywords || lec#73 || part#13

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Async is a utility module that provides straight-forward, powerful functions for working with asynchronous working.
If you use the async keyword before a function definition, you can then use await within the function. When you await a promise, the function is paused in a non-blocking way until the promise settles. If the promise fulfills, you get the value back. If the promise rejects, the rejected value is thrown.
The way this is handled in Flutter / Dart is by using a Future. ... A Future allows you to run work asynchronously to free up any other threads that should not be blocked. Like the UI thread.

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