preface.stdlib
Predicate.Contravariant
preface
preface.core
preface.make
preface.specs
type 'a t = 'a t
Type
The type held by the Contravriant Functor.
Contravriant Functor
val contramap : ('a -> 'b) -> 'b t -> 'a t
Mapping over from 'a to 'b over 'b t to 'a t.
'a
'b
'b t
'a t
val replace : 'b -> 'b t -> 'a t
Replace all locations in the output with the same value.
module Infix : Preface_specs.Contravariant.INFIX with type 'a t := 'a t
val (>$) : 'b -> 'b t -> 'a t
Infix version of OPERATION.replace.
OPERATION.replace
val ($<) : 'b t -> 'b -> 'a t
Infix flipped version of OPERATION.replace.
val (>$<) : ('a -> 'b) -> 'b t -> 'a t
Infix version of CORE.map.
CORE.map
val (>&<) : 'b t -> ('a -> 'b) -> 'a t
Infix flipped version of CORE.map.