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Reassembling datatypes from functors using a fixed-point
Manage episode 297235455 series 2823367
Last episode we discussed how functors can describe a single level of a datatype. In this episode, we discuss how to put these functors back together into a datatype, using disjoint unions of functors and a fixed-point datatype. The latter expresses the idea that inductive data is built in any finite number of layers, where each layer is described by the functor for the datatype.
161 つのエピソード
Manage episode 297235455 series 2823367
Last episode we discussed how functors can describe a single level of a datatype. In this episode, we discuss how to put these functors back together into a datatype, using disjoint unions of functors and a fixed-point datatype. The latter expresses the idea that inductive data is built in any finite number of layers, where each layer is described by the functor for the datatype.
161 つのエピソード
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