preface.make
Via_extend.Req
preface
preface.core
preface.specs
preface.stdlib
type 'a t
The type held by the Comonad.
Comonad
val extract : 'a t -> 'a
Extract a 'a from 'a t. Dual of return.
'a
'a t
val extend : ('a t -> 'b) -> 'a t -> 'b t
Dual of bind.