package batteries

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A community-maintained standard library extension

Install

sha256=40d18485911e343500a5636bbf1d84e2ee32f924fe87e5fd13a37641a4d8f226

md5=fe4da12b678a82faaeda4e58492ea871

A signature for data structures which have a map : ('a -> 'b) -> ('a t -> 'b t) operation.

If you create a new data structure, you should make it compatible with Mappable.

type 'a mappable

The data structure, e.g. 'a List.t

val map : ('a -> 'b) -> 'a mappable -> 'b mappable

map f e applies f to every element of e and returns the corresponding data structure