package preface

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Type

type 'a t

The type held by the Applicative.

Functions

include Preface_specs.Applicative.WITH_PURE with type 'a t := 'a t
include Preface_specs.Apply.WITH_APPLY with type 'a t := 'a t
val apply : ('a -> 'b) t -> 'a t -> 'b t

Applicative functor of ('a -> 'b) t over 'a t to 'b t.

include Preface_specs.Applicative.WITH_PURE with type 'a t := 'a t
include Preface_specs.Apply.WITH_MAP_AND_PRODUCT with type 'a t := 'a t
include Preface_specs.Functor.WITH_MAP with type 'a t := 'a t
val map : ('a -> 'b) -> 'a t -> 'b t

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

include Preface_specs.Apply.WITH_PRODUCT with type 'a t := 'a t
val product : 'a t -> 'b t -> ('a * 'b) t

Product functor mapping from 'a t and 'b t to ('a * 'b) t.

include Preface_specs.Applicative.WITH_PURE with type 'a t := 'a t
val pure : 'a -> 'a t

Lift a value from 'a into a new 'a t.

include Preface_specs.Apply.WITH_LIFT2 with type 'a t := 'a t
val lift2 : ('a -> 'b -> 'c) -> 'a t -> 'b t -> 'c t

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

include Preface_specs.Apply.OPERATION with type 'a t := 'a t
val lift : ('a -> 'b) -> 'a t -> 'b t

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

val lift3 : ('a -> 'b -> 'c -> 'd) -> 'a t -> 'b t -> 'c t -> 'd t

Mapping over from 'a and 'b and 'c to 'd over 'a t and 'b t and 'c t to 'd 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 : Preface_specs.Applicative.INFIX with type 'a t = 'a t
include Preface_specs.Apply.INFIX with type 'a t := 'a t
val (<*>) : ('a -> 'b) t -> 'a t -> 'b t

Applicative functor of ('a -> 'b) t over 'a t to 'b t.

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

Flipped Applicative functor of ('a -> 'b) t over 'a t to 'b t.

val (*>) : unit t -> 'a t -> 'a t

Discard the value of the first argument.

val (<*) : 'a t -> unit t -> 'a t

Discard the value of the second argument.

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.

Syntax

module Syntax : Preface_specs.Applicative.SYNTAX with type 'a t = 'a t
include Preface_specs.Apply.SYNTAX with type 'a t := 'a t
val let+ : 'a t -> ('a -> 'b) -> 'b t

Flipped mapping over from 'a to 'b over 'a t to 'b t.

val and+ : 'a t -> 'b t -> ('a * 'b) t

Product functor mapping from 'a t and 'b t to ('a * 'b) t.