Nottingham FP Lab Blog

Associated Types and Open Type Families

by Peter on February 16, 2008.
Tagged as: Lunches.

Neil Ghani asked what Associated Types were, so I tried to give an introduction to them. Starting the story with Multi-Parameter Type classes and the short-comings of Functional Dependencies and ending with extending the idea of ATs to Type Families. For the curious, this stuff all relies on System F with Type Equality Coercions.

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