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Futures



Return to Promises, Coroutines, Asynchronous Programming, Asynchrony, Asynchronous Programming Fundamentals

* What programming languages support Futures. Answer in MediaWiki syntax with the URL of the official documentation for each language reference.


Futures are a construct used in programming for asynchronous computation. They represent a value that may become available at some point in the future and are a key part of concurrent and parallel programming systems. Below is a list of programming languages that support futures, formatted in MediaWiki syntax, including the URL of the official documentation for each language's futures or equivalent feature.

Dart


Dart uses Futures extensively for asynchronous operations, especially in Flutter for building non-blocking UI applications.
* Official Documentation: [https://dart.dev/codelabs/async-await Dart: Asynchronous Programming: Futures and async-await]

Rust


Rust provides powerful concurrency features, including futures, through its standard library and the `futures` crate for asynchronous programming.
* Official Documentation: [https://doc.rust-lang.org/std/future/index.html Rust: std::future]

Scala


Scala incorporates futures and promises in its standard library, enabling effective asynchronous programming in a functional style.
* Official Documentation: [https://docs.scala-lang.org/overviews/core/futures.html Scala: Futures and Promises]

Java


Java introduced `CompletableFuture` in Java 8 as an enhancement to its concurrent programming model, which represents a future result of an asynchronous computation.
* Official Documentation: [https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html Java: CompletableFuture]

Python


Python's `asyncio` module includes support for futures, allowing for asynchronous programming patterns and non-blocking code execution.
* Official Documentation: [https://docs.python.org/3/library/asyncio-future.html Python: asyncio - Futures]

C#


C# uses tasks, particularly `Task` and `Task`, as part of the Task Parallel Library (TPL) to represent asynchronous operations, which can be considered similar to futures.
* Official Documentation: [https://docs.microsoft.com/en-us/dotnet/api/system.threading.tasks.task Microsoft Docs: Task]

JavaScript


While JavaScript primarily uses Promises for asynchronous operations, the concept of futures can be seen as analogous to JavaScript Promises.
* Official Documentation: [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise MDN Web Docs: Promise]

Swift


Swift provides futures and promises through third-party libraries like PromiseKit, although native support for asynchronous programming has evolved with async/await syntax.
* Third-Party Library Documentation: [https://github.com/mxcl/PromiseKit PromiseKit on GitHub]

Kotlin


Kotlin does not have a built-in concept called "Future" but uses coroutines to handle asynchronous programming. Futures can be managed through third-party libraries or Kotlin's coroutine system.
* Official Documentation: [https://kotlinlang.org/docs/reference/coroutines-overview.html Kotlin Coroutines]

Go


Go does not have an explicit "Future" type but utilizes goroutines and channels to achieve asynchronous execution and communication, which can be used to implement future-like patterns.
* Official Documentation: [https://golang.org/doc/effective_go#goroutines Go: Effective Go - Goroutines]

Each of these languages has its approach to dealing with asynchronous computation, with futures or equivalent constructs providing a way to handle values that result from concurrent operations. The official documentation for each language offers comprehensive guidance on how to use these features effectively within their respective programming models.

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