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API in this case refers to it's original meaning, that is, the interface that is available on a specific "class" of objects. Here, the "class" of objects are mi
by daneel 10y ago
API in this case refers to it's original meaning, that is, the interface that is available on a specific "class" of objects. Here, the "class" of objects are mimicking haskell like typeclasses.
The chart on the fantasy-land github page demonstrates the interfaces available on each typeclass. For instance, a Maybe is a functor, so it has the map interface. It's also a Monad so it has the chain interface.
Unfortunately, API is a loaded term and I think the author doesn't do a good job differentiating from the common usage of the term.
- recursive 10y agoEven in that meaning, it still doesn't make sense. Say there was an abstracted twitter standard defined in an RFC, and a library was provided for interacting with it. There is no Twitter(tm), just implementations of the twitter RFC. Even then, I need to know what the names of the properties are that I have to provide to the fantasy-land-compliant-whatever. Being an expert in fantasy land doesn't tell me that "message" is the property that contains the body of the twitter-compliant message. I still need an api.