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  2. Anonymous function - Wikipedia

    en.wikipedia.org/wiki/Anonymous_function

    In computer programming, an anonymous function (function literal, expression or block) is a function definition that is not bound to an identifier. Anonymous functions are often arguments being passed to higher-order functions or used for constructing the result of a higher-order function that needs to return a function. [ 1 ]

  3. C Sharp syntax - Wikipedia

    en.wikipedia.org/wiki/C_Sharp_syntax

    This article describes the syntax of the C# programming language. ... Initializing the delegate with lambda expression. addition = (a, b) => a + b; Events.

  4. Lambda lifting - Wikipedia

    en.wikipedia.org/wiki/Lambda_lifting

    The lambda expression being analyzed. The table parameter lists for names. The table of values for parameters. The returned parameter list, which is used internally by the; Abstraction - A lambda expression of the form (.) is analyzed to extract the names of parameters for the function. {--⁡ [(.

  5. Closure (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Closure_(computer_programming)

    In this example, the lambda expression (lambda (book) (>= (book-sales book) threshold)) appears within the function best-selling-books. When the lambda expression is evaluated, Scheme creates a closure consisting of the code for the lambda expression and a reference to the threshold variable, which is a free variable inside the lambda expression.

  6. Lambda expression - Wikipedia

    en.wikipedia.org/wiki/Lambda_expression

    Lambda expression may refer to: Lambda expression in computer programming, also called an anonymous function , is a defined function not bound to an identifier. Lambda expression in lambda calculus , a formal system in mathematical logic and computer science for expressing computation by way of variable binding and substitution.

  7. J operator - Wikipedia

    en.wikipedia.org/wiki/J_operator

    In computer science, Peter Landin's J operator is a programming construct that post-composes a lambda expression with the continuation to the current lambda-context. The resulting “function” is first-class and can be passed on to subsequent functions, where if applied it will return its result to the continuation of the function in which it was created.

  8. Lambda calculus - Wikipedia

    en.wikipedia.org/wiki/Lambda_calculus

    Lambda calculus is Turing complete, that is, it is a universal model of computation that can be used to simulate any Turing machine. [3] Its namesake, the Greek letter lambda (λ), is used in lambda expressions and lambda terms to denote binding a variable in a function.

  9. Fixed-point combinator - Wikipedia

    en.wikipedia.org/wiki/Fixed-point_combinator

    However, its domain will now contain all lambda expression, not just those representing natural numbers. The Y combinator, applied to f, will yield a fixed-point for f, but this fixed-point won't represent a natural number. If trying to compute Y f in an actual programming language, an infinite loop will occur.