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Functional logic programming is the combination, in a single programming language, of the paradigms of functional programming and logic programming. [1] This style of programming is embodied by various programming languages, including Curry and Mercury. [2] [1] A more recent example is Verse. [3]
Some of these languages, such as miniKanren [28] and relational linear programming [30] are logic programming languages in the sense of this article. However, the relational language RML is an imperative programming language [ 31 ] whose core construct is a relational expression, which is similar to an expression in first-order predicate logic.
The table shows a comparison of functional programming languages which compares various features and designs of different functional programming languages. Name
Most general purpose functional programming languages allow unrestricted recursion and are Turing complete, which makes the halting problem undecidable, can cause unsoundness of equational reasoning, and generally requires the introduction of inconsistency into the logic expressed by the language's type system.
Declarative programming – describes what computation should perform, without specifying detailed state changes c.f. imperative programming (functional and logic programming are major subgroups of declarative programming) Distributed programming – have support for multiple autonomous computers that communicate via computer networks
An archetype of a declarative language is the fourth generation language SQL, and the family of functional languages and logic programming. Functional programming is a subset of declarative programming. Programs written using this paradigm use functions, blocks of code intended to behave like mathematical functions. Functional languages ...
For brevity, these words will have the specified meanings in the following tables (unless noted to be part of language syntax): funcN A function. May be unary or n-ary (or always unary for languages without n-ary functions). func1, func2, etc. functions of specific arity.
In mathematics, computer science, and logic, rewriting covers a wide range of methods of replacing subterms of a formula with other terms. Such methods may be achieved by rewriting systems (also known as rewrite systems, rewrite engines, [1] [2] or reduction systems). In their most basic form, they consist of a set of objects, plus relations on ...