map

higher-order function in a programming language, which applies a given function element-wise to a collection (most generally, a functor instance)
Thing general Q1053064
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map

Summary

map ranks in the top 2% of general entities by monthly Wikipedia readership (712 views/month).[1]

Key Facts

  • map is a type of higher-order function[2].
  • map's facet of is recorded as functor[3].
  • map's facet of is recorded as functional programming[4].
  • map's official name is recorded as map[5].
  • map's official name is recorded as Prelude.map[6].
  • map's official name is recorded as Prelude.fmap[7].
  • map's different from is recorded as function[8].
  • map's different from is recorded as associative array[9].
  • map's uses is recorded as subroutine call[10].

Body

Definition and Type

map is a type of higher-order function[2].

Why It Matters

map ranks in the top 2% of general entities by monthly Wikipedia readership (712 views/month).[1] map has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[11] map is known by 8 alternative names across languages and contexts.[12]

📑 Cite this page

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). map. Retrieved September 29, 2026, from https://4ort.xyz/entity/map-q1053064
MLA “map.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Sep. 2026, https://4ort.xyz/entity/map-q1053064.
BibTeX @misc{4ortxyz_map-q1053064_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{map}}, year = {2026}, url = {https://4ort.xyz/entity/map-q1053064}, note = {Accessed: 2026-09-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): map — https://4ort.xyz/entity/map-q1053064 (retrieved 2026-09-29)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23d ago · VGMaintenanceBot bot · 2026-09-08 view diff on Wikidata ↗
    Different from → function, associative array
    Subclass of → higher-order function
    Uses → subroutine call
    Uses → —
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P9675]]: 132, Add qualifier to Rosetta Code page ID `Apply_a_callback_to_an_array`"
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