package stdune

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package stdune

stdune
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stdune.filesystem_stubs
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Module type
Parameter
Class
Class type

Parameters

module S : sig ... end

module M : Monad.S

Signature

include Monad.S

type 'a t

val return : 'a -> 'a t

val bind : 'a t -> f:('a -> 'b t) -> 'b t

val map : 'a t -> f:('a -> 'b) -> 'b t

module O : sig ... end

val run : 'a t -> S.t -> (S.t * 'a) M.t

run t state runs computation t with state as the initial state. The final state and the computed result are returned

val get : S.t t

get returns the current state

val set : S.t -> unit t

set s sets the current state to s

val lift : 'a M.t -> 'a t

lift m lifts m into the transformer

val modify : (S.t -> S.t) -> unit t

modify f lifts f into the monad. f is executed with the current state to produce a new state.