package preface

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package preface
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type 'a t

The type held by the Monad.

include Preface_specs.Monad.WITH_RETURN with type 'a t := 'a t
val return : 'a -> 'a t

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

include Preface_specs.Bind.WITH_MAP_AND_JOIN 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.

val join : 'a t t -> 'a t

join remove one level of monadic structure, projecting its bound argument into the outer level.

val combine : 'a t -> 'a t -> 'a t

Combine two values of 'a t into one.

val neutral : 'a t

The neutral element of the Alternative.

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