Construct · 1 fields · 1 citations

covariance and contravariance: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
covariance andcontravariance1 CONSTRUCTCovariance andCASTAGNA · PROGRAMMING

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Programming languages

how subtyping of a constructed type follows or reverses subtyping of its parts, as for method argument and result types.

In programming languages, covariance and contravariance refers to how subtyping of a constructed type follows or reverses subtyping of its parts, as for method argument and result types. This meaning comes from Castagna (1995) in ACM Transactions on Programming Languages and Systems.[1]

Unit
Recovery means
Measured by

Next

Run it through the Collider, or take the citations with you.

See how covariance and contravariance sits against neighbouring constructs in the Collider, or export every reference on this page in one click.

Open in ColliderExport BibTeXReport this entry

Nearby constructs

argument3 fields · 3 citationsjingle · one word, three constructscovariance3 fields · 3 citationsjingle · one word, three constructstype4 fields · 4 citationsjingle · one word, four constructs

References

  1. Castagna, G. (1995). Covariance and contravariance: conflict without a cause. ACM Transactions on Programming Languages and Systems, 17(3), 431-447. https://doi.org/10.1145/203095.203096

Cited on this page?

Confirm your construct, or correct us.

If your work is cited behind one of these entries, you know better than we do whether we captured the meaning right. Confirm it, suggest an edit, or dispute it, and your name goes on the entry as an author who has checked it, linked to your ORCID.

Claim your construct