Via_pure_and_lift2.Reqinline
include Preface_specs.Indexed_applicative.WITH_PURE_AND_LIFT2
with type ('a, _) t := 'a tinclude Preface_specs.Indexed_applicative.WITH_PURE
with type ('a, 'index) t := 'a tval pure : 'a -> 'a tLift a value from 'a into a new t.