Category-Theory-for-Programmers | Swift sample code for Bartosz Milewski | Functional Programming library
kandi X-RAY | Category-Theory-for-Programmers Summary
kandi X-RAY | Category-Theory-for-Programmers Summary
Swift sample code for Bartosz Milewski's book "Category Theory for Programmers"
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QUESTION
I am reading Category Theory for Programmers, and I cannot figure out what exactly a category is.
Let's consider the Bool
type. Is Bool
a category and True
or False
are objects (inhabitants)?
ANSWER
Answered 2017-Oct-01 at 08:48If you are talking about Hask
category, then no. Hask
is the category and the objects are Haskell types. That is, Bool
is an object, and True
/False
aren't even talked about here. The description of Hask can be found on Haskell wiki. There are also talks, that Hask
isn't even a proper category, read this.
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