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First, the async keyword indicates to C# that the method is asynchronous, meaning that it may use an arbitrary number of await expressions and will bind the result to a promise. [1]: 165–168 The return type, Task<T>, is C#'s analogue to the concept of a promise, and here is indicated to have a result value of type int.
In computer science, futures, promises, delays, and deferreds are constructs used for synchronizing program execution in some concurrent programming languages.Each is an object that acts as a proxy for a result that is initially unknown, usually because the computation of its value is not yet complete.
Boxing is the operation of converting a value-type object into a value of a corresponding reference type. [108] Boxing in C# is implicit. Unboxing is the operation of converting a value of a reference type (previously boxed) into a value of a value type. [108] Unboxing in C# requires an explicit type cast. A boxed object of type T can only be ...
JavaScript Object Notation (JSON) is often used as an alternative format for data interchange, [15] although other formats such as preformatted HTML or plain text can also be used. [16] A variety of popular JavaScript libraries, including JQuery, include abstractions to assist in executing Ajax requests.
Boxing is the operation of converting a value of a value type into a value of a corresponding reference type. [15] Boxing in C# is implicit. Unboxing is the operation of converting a value of a reference type (previously boxed) into a value of a value type. [15] Unboxing in C# requires an explicit type cast. Example:
In functional programming, continuation-passing style (CPS) is a style of programming in which control is passed explicitly in the form of a continuation.This is contrasted with direct style, which is the usual style of programming.
"For a monad m, a value of type m a represents having access to a value of type a within the context of the monad." —C. A. McCann [6]. More exactly, a monad can be used where unrestricted access to a value is inappropriate for reasons specific to the scenario.
The term was coined by Bertrand Meyer in connection with his design of the Eiffel programming language and first described in various articles starting in 1986 [1] [2] [3] and the two successive editions (1988, 1997) of his book Object-Oriented Software Construction.