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Functions with promises also have promise aggregation methods that allow the program to await multiple promises at once or in some special pattern (such as C#'s Task.WhenAll(), [1]: 174–175 [13]: 664–665 which returns a valueless Task that resolves when all of the tasks in the arguments have resolved). Many promise types also have ...
Q, by Kris Kowal, conforms to Promises/A+ 1.1 [62] RSVP.js, conforms to Promises/A+ 1.1 [63] YUI's [64] promise class [65] conforms to the Promises/A+ 1.0 specification. Bluebird, by Petka Antonov [66] The Closure Library's promise package conforms to the Promises/A+ specification. See Promise/A+'s list for more implementations based on the ...
Programming with continuations can also be useful when a caller does not want to wait until the callee completes. For example, in user-interface (UI) programming, a routine can set up dialog box fields and pass these, along with a continuation function, to the UI framework.
Julia—"concurrent programming primitives: Tasks, async-wait, Channels." [15] JavaScript—via web workers, in a browser environment, promises, and callbacks. JoCaml—concurrent and distributed channel based, extension of OCaml, implements the join-calculus of processes; Join Java—concurrent, based on Java language
C++ also allows objects to provide an implementation of the function call operation. The Standard Template Library accepts these objects (called functors) as parameters. Many dynamic languages, such as JavaScript, Lua, Python, Perl [1] [2] and PHP, allow a function object to be passed.
ReactiveX (Rx, also known as Reactive Extensions) is a software library originally created by Microsoft that allows imperative programming languages to operate on sequences of data regardless of whether the data is synchronous or asynchronous.
core-js [10] is one of the most popular [11] JavaScript standard library polyfills. Includes polyfills for ECMAScript up to the latest version of the standard: promises, symbols, collections, iterators, typed arrays, many other features, ECMAScript proposals, some cross-platform WHATWG / W3C features and proposals like URL. You can load only ...
In most cases, an FFI is defined by a higher-level language, so that it may employ services defined and implemented in a lower-level language, typically a system programming language like C or C++. This is typically done to either access operating system (OS) services in the language in which the OS API is defined, or for performance goals.