Function composition (computer science) in the context of Functional programming language

Function composition (computer science) in the context of Functional programming language

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⭐ Core Definition: Function composition (computer science)

In computer science, function composition is an act or mechanism to combine simple functions to build more ones. Like the usual composition of functions in mathematics, the result of each function is passed as the argument of the next, and the result of the last one is the result of the whole.

Programmers frequently apply functions to results of other functions, and almost all programming languages allow it. In some cases, the composition of functions is interesting as a function in its own right, to be used later. Such a function can always be defined but languages with first-class functions make it easier.

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👉 Function composition (computer science) in the context of Functional programming language

In computer science, functional programming is a programming paradigm where programs are constructed by applying and composing functions. It is a declarative programming paradigm in which function definitions are trees of expressions that map values to other values, rather than a sequence of imperative statements which update the running state of the program.

In functional programming, functions are treated as first-class entities, meaning that they can be bound to names (including local identifiers), passed as arguments, and returned from other functions, just as any other data type can. This allows programs to be written in a declarative and composable style, where small functions are combined in a modular manner.

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Function composition (computer science) in the context of Functional programming

In computer science, functional programming is a programming paradigm where programs are constructed by applying and composing functions. It is a declarative programming paradigm in which function definitions are trees of expressions that map values to other values, rather than a sequence of imperative statements which update the running state of the program.

In functional programming, functions are treated as first-class citizens, meaning that they can be bound to names (including local identifiers), passed as arguments, and returned from other functions, just as any other data type can. This allows programs to be written in a declarative and composable style, where small functions are combined in a modular manner.

View the full Wikipedia page for Functional programming
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LINKED FROM (PARENTS)
← Functional programming ← Functional programming languages ← Functional programming language
LINKS TO (CHILDREN)
Computer science → Subroutine → Function composition → Mathematics → First-class function →