Declarative programming is often defined as any style of programming that is not imperative [Imperative programming]. A number of other common definitions attempt to define it by simply contrasting it with imperative programming. For example:
- A high-level program that describes what a computation should perform.
- Any programming language that lacks side effects (or more specifically, is referentially transparent)
- A language with a clear correspondence to mathematical logic.
These definitions overlap substantially.
Declarative programming is a non-imperative style of programming in which programs describe their desired results without explicitly listing commands or steps that must be performed. Functional [Functional programming] and logical programming [Logic programming] languages are characterized by a declarative programming style.
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“Declarative Programming.” 2023. In Wikipedia. https://en.wikipedia.org/w/index.php?title=Declarative_programming&oldid=1152113601.