In computer programming, a function (also procedure, method, subroutine, routine, or subprogram) is a callable unit of software logic that has a well-defined...

In computer programming, an anonymous function (function literal, expression or block) is a function definition that is not bound to an identifier. Anonymous...

a concept of object-oriented programming Function (computer programming), a callable sequence of instructions Function (music), a relationship of a chord...

In computer programming, a callback is a function that is stored as data (a reference) and designed to be called by another function – often back to the...

In computer science, function-level programming refers to one of the two contrasting programming paradigms identified by John Backus in his work on programs...

In computer science, functional programming is a programming paradigm where programs are constructed by applying and composing functions. It is a declarative...

In computer science, declarative programming is a programming paradigm, a style of building the structure and elements of computer programs, that expresses...

In computer programming, an operator is a programming language construct that provides functionality that may not be possible to define as a user-defined...

In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs...

A computer program is a sequence or set of instructions in a programming language for a computer to execute. It is one component of software, which also...

In computer science, imperative programming is a programming paradigm of software that uses statements that change a program's state. In much the same...

variables to be among computer science's "most valuable treasures." Donald Knuth, Structured Programming, with go to Statements In computer science, a pointer...

Kernighan, Programming in C: A Tutorial: main( ) { printf("hello, world"); } In the above example, the main( ) function defines where the program should start...

In computer science and computer programming, a data type (or simply type) is a collection or grouping of data values, usually specified by a set of possible...

In programming languages, a closure, also lexical closure or function closure, is a technique for implementing lexically scoped name binding in a language...

programming languages, with C compilers available for practically all modern computer architectures and operating systems. The book The C Programming...

programming language for artificial intelligence (AI) research. As one of the earliest programming languages, Lisp pioneered many ideas in computer science...

In computer science, an operation, function or expression is said to have a side effect if it has any observable effect other than its primary effect of...

Linear programming is a special case of mathematical programming (also known as mathematical optimization). More formally, linear programming is a technique...

symbols instead of APL symbols. APL (named after the book A Programming Language) is a programming language developed in the 1960s by Kenneth E. Iverson. Its...

In computer programming, a parameter, a.k.a. formal argument, is a variable that represents an argument, a.k.a. actual argument, a.k.a. actual parameter...

In computer programming, an aspect of a program is a feature linked to many other parts of the program, but is not related to the program's primary function...

In computer programming, a pure function is a function that has the following properties: the function return values are identical for identical arguments...

In computer programming, a trait is a language concept that represents a set of methods that can be used to extend the functionality of a class. In object-oriented...

In computer science, a literal is a textual representation (notation) of a value as it is written in source code. Almost all programming languages have...

is a fundamental concept in computer science and software engineering, especially within the object-oriented programming paradigm. Examples of this include:...

In computer programming, a function object is a construct allowing an object to be invoked or called as if it were an ordinary function, usually with the...

mathematics and computer science, a higher-order function (HOF) is a function that does at least one of the following: takes one or more functions as arguments...

In computer programming, a declaration is a language construct specifying identifier properties: it declares a word's (identifier's) meaning. Declarations...

Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. It involves...