Why Functional Programming Matters

The work

AuthorsJ. Hughes
Typearticle
Year1989
Citekeyhughes1989functional

Where it appeared

Published inThe Computer Journal
PublisherOxford University Press (OUP)
Volume32
Issue2
Pages98--107

Identifiers

DOI10.1093/comjnl/32.2.98
OpenAlexW2089241138

Abstract

As software becomes more and more complex, it is more and more important to structure it well. Well-structured software is easy to write, easy to debug, and provides a collection of modules that can be re-used to reduce future programming costs. Conventional languages place conceptual limits on the way problems can be modularised. Functional languages push those limits back. In this paper we show that two features of functional languages in particular, higher-order functions and lazy evaluation, can contribute greatly to modularity. As examples, we manipulate lists and trees, program several numerical algorithms, and implement the alpha-beta heuristics (an Artificial Intelligence algorithm used in game-playing programs). Since modularity is the key to successful programming, functional languages are vitally important to the real world.

How it got here

How it got hereagent via crossref
Added2026-08-26 00:00 UTC
Approved bya person 2026-08-26 20:59 UTC

Cite it as

@article{hughes1989functional,
  title        = {Why Functional Programming Matters},
  author       = {J. Hughes},
  year         = {1989},
  journal      = {The Computer Journal},
  volume       = {32},
  number       = {2},
  pages        = {98--107},
  publisher    = {Oxford University Press (OUP)},
  doi          = {10.1093/comjnl/32.2.98},
}

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