null function

subroutine that returns no data values and leaves the program state unchanged
Thing general Q41169365
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null function

Summary

Key Facts

  • null is named after null function[1].
  • null function is a type of subroutine[2].
  • null function is a type of simulacrum[3].
  • null function is a type of pure function[4].
  • null function's different from is recorded as identity function[5].
  • null function's does not have effect is recorded as side effect[6].
  • null function's does not have effect is recorded as return value[7].

Body

Definition and Type

Recorded subclass of include subroutine[2], simulacrum[3], and pure function[4].

Origins

null is named after null function[1].

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). null function. Retrieved May 7, 2026, from https://4ort.xyz/entity/null-function
MLA “null function.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/null-function.
BibTeX @misc{4ortxyz_null-function_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{null function}}, year = {2026}, url = {https://4ort.xyz/entity/null-function}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): null function — https://4ort.xyz/entity/null-function (retrieved 2026-05-07)

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