What are continuations explain with an example?
In computer science, a continuation is an abstract representation of the control state of a computer program. Continuations are useful for encoding other control mechanisms in programming languages such as exceptions, generators, coroutines, and so on.
What is the meaning of continuations?
1 : the act or fact of continuing in or the prolongation of a state or activity. 2 : resumption after an interruption. 3 : something that continues, increases, or adds.
Why is continuation passing useful?
Continuation passing style makes the control flow of programs more explicit as every procedure has the power to change the execution of the remainder of the program, contrast this to the traditional model in which procedures have no control over the behavior of the program once they return to their caller.
What is a continuation in scheme?
An expression’s continuation is “the computation that will receive the result of that expression”. For example, in the expression (+ 4 (+ 1 2)) the result of (+ 1 2) will be added to 4. The addition to 4 is that expression’s continuation.
How do you show continuation?
The continuation symbol is occasionally used to indicate that a sequence of numbers continues forever, even if the numbers are not explicitly defined. For example, a nonterminating, nonrepeating decimal such as the square root of 2 (or 2 1/2 ) can be represented in this fashion: 2 1/2 = 1.414213562373 …
What type of word is continue?
verb (used without object), con·tin·ued, con·tin·u·ing. to go on after suspension or interruption: The program continued after an intermission. to go on or keep on, as in some course or action; extend: The road continues for three miles. to last or endure: The strike continued for two months.
What is protraction mean?
Medical Definition of protraction 1 : the act of moving an anatomical part forward. 2 : the state of being protracted especially : protrusion of the jaws.
What are cultural continuations?
The transmission of the meanings and values characteristic of a culture, down through time and generations. But sport cultures themselves are inherently culturally conservative, contributing in important ways to forms of cultural continuity that serve to hold societies together. See also cultural change.
What is begin in racket?
Begin takes an arbitrary number of expressions and executes each one of them but only returns the result of the last expression in the body. https://stackoverflow.com/questions/29382733/racket-begin-form/29387064#29387064.