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Schwartzian transform

programming idiom for efficiently sorting a list by a computed key
Thing programming_idiom Q7433174
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Schwartzian transform

Summary

Schwartzian transform is a programming idiom[1]. It draws 378 Wikipedia views per month (programming_idiom category, ranking #6 of 8).[2]

Key Facts

  • Schwartzian transform's instance of is recorded as programming idiom[3].
  • Randal L. Schwartz is named after Schwartzian transform[4].
  • Schwartzian transform is used for sorting[5].
  • Schwartzian transform's described at URL is recorded as https://docs.python.org/3.11/howto/sorting.html#the-old-way-using-decorate-sort-undecorate[6].
  • Schwartzian transform's uses is recorded as map[7].
  • Schwartzian transform's uses is recorded as sorting algorithm[8].

Body

Definition and Type

Schwartzian transform's instance of is recorded as programming idiom[3].

Origins

Randal L. Schwartz is named after Schwartzian transform[4].

Use and Application

Schwartzian transform is used for sorting[5].

Why It Matters

Schwartzian transform draws 378 Wikipedia views per month (programming_idiom category, ranking #6 of 8).[2] It is known by 5 alternative names across languages and contexts.[9]

Related Entities

Randal L. Schwartz

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata aliases. wikidata.org.

📑 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). Schwartzian transform. Retrieved October 2, 2026, from https://4ort.xyz/entity/schwartzian-transform
MLA “Schwartzian transform.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/schwartzian-transform.
BibTeX @misc{4ortxyz_schwartzian-transform_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Schwartzian transform}}, year = {2026}, url = {https://4ort.xyz/entity/schwartzian-transform}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Schwartzian transform — https://4ort.xyz/entity/schwartzian-transform (retrieved 2026-10-02)

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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. 24d ago · VGMaintenanceBot bot · 2026-09-08 view diff on Wikidata ↗
    Instance of → —
    Uses → map, sorting algorithm
    Named after → Randal L. Schwartz
    Uses → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P9675]]: 18956, Add qualifier to Rosetta Code page ID `Decorate-sort-undecorate_idiom`"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.