Type-system extensions for object-oriented language based on coercive subtyping with restrictions
US7774376B1 · kind B1 · utility
15Cited by
15References
18Claims
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Key dates
| Filing date | Jul 30, 2004 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Dec 12, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F8/315
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A type system that facilitates seamless integration of data access to relational and semi-structured data in an object oriented host language. A data access component includes the type system and corresponding set of syntax constructions that facilitates coercive subtyping and restricts covariance to identity conversions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.