preface

An opinionated library for function programming (à La Haskell)
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Library preface.specs
Module type Preface_specs . Functor . API

Type

type 'a t

The type held by the Functor.

Functions

val map : ( 'a -> 'b ) -> 'a t -> 'b t

Mapping over from 'a to 'b over 'a t to 'b t.

val replace : 'a -> 'b t -> 'a t

Create a new 'a t, replacing all values in the 'b t by given a value of 'a.

val void : 'a t -> unit t

Create a new unit t, replacing all values in the 'a t by unit.

Infix operators

module Infix : INFIX with type 'a t = 'a t
val (<$>) : ( 'a -> 'b ) -> 'a t -> 'b t
val (<&>) : 'a t -> ( 'a -> 'b ) -> 'b t

Flipped and infix version of Preface_specs.Functor.CORE.map.

val (<$) : 'a -> 'b t -> 'a t
val ($>) : 'a t -> 'b -> 'b t

Flipped and infix version of Preface_specs.Functor.OPERATION.replace.