package lsp

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Library
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Module type
Parameter
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Class type

Variables local to a fiber

type 'a t
val create : unit -> 'a t

Create a new variable

val get : 'a t -> 'a option

get var reads the value of var.

val get_exn : 'a t -> 'a

Same as get but raises if var is unset.

val set : 'a t -> 'a -> (unit -> 'b t) -> 'b t

set var value fiber sets var to value during the execution of fiber.

For instance, the following fiber always evaluate to true:

set v x (get_exn v >>| fun y -> x = y) 
val set_sync : 'a t -> 'a -> (unit -> 'b) -> 'b
val unset : 'a t -> (unit -> 'b t) -> 'b t
val unset_sync : 'a t -> (unit -> 'b) -> 'b
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