Q: What is Eff, and how does it differ from other functional programming languages?

A: Eff is a multi-paradigm programming language that supports functional programming while explicitly handling effects like I/O. Unlike purely functional languages, Eff allows for more flexible and structured management of side effects.

Q: Who created Eff, and when was it developed?

A: The source material does not specify the creator or the exact development date of Eff.

Q: What makes Eff unique in the programming language landscape?

A: Eff stands out for its explicit handling of effects, making it more practical for real-world applications compared to purely functional languages that often avoid side effects.

Q: Is Eff widely used, or is it primarily an academic project?

A: The source material does not provide information on Eff's adoption or usage in industry.

Q: Where can I find more information about Eff?

A: You can refer to the English Wikipedia page titled "Eff (programming language)" for additional details.

Eff

functional programming language

Place programming_language Q85845866

Facts

2 properties

Instance of: programming language
Programming paradigm: multi-paradigm programming^[1]

🏷️ Also known as

en Eff

🔖 Identifiers · 1

Google Knowledge Graph ID: /g/11hf2jl8_w

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🔗 Connections

Instance of 1

programming language

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References

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

Direct Wikidata claims

[1] ↑ Eff — programming paradigm (P3966): multi-paradigm programming. 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). Eff. Retrieved November 4, 2026, from https://4ort.xyz/entity/eff

MLA “Eff.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/eff.

BibTeX

@misc{4ortxyz_eff_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Eff}}, year = {2026}, url = {https://4ort.xyz/entity/eff}, note = {Accessed: 2026-11-04}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Eff — https://4ort.xyz/entity/eff (retrieved 2026-11-04)

Canonical URL: https://4ort.xyz/entity/eff · Last refreshed: November 4, 2026

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.

19d ago · MsynBot bot · 2026-10-17 view diff on Wikidata ↗

Google knowledge graph id → —

Programming paradigm → multi-paradigm programming

Programming paradigm → —

Instance of → programming language

+ 3 other properties edited (see Wikidata diff for full list)

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