Fredrik Roos fredrikroos
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| module type Functor = sig | |
| type 'a t | |
| val map : ('a -> 'b) -> 'a t -> 'b t | |
| end | |
| module type Monad = sig | |
| type 'a t | |
| val map : ('a -> 'b) -> 'a t -> 'b t | |
| val return : 'a -> 'a t |