package stdune

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package stdune
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Library
Module
Module type
Parameter
Class
Class type
module Var : sig ... end
type t
val hash : t -> int
include Comparable_intf.S with type key := Var.t
module Map : sig ... end
module Set : sig ... end
val equal : t -> t -> bool
val empty : t
val vars : t -> Var.Set.t
val initial : t

The environment when the process started

val to_unix : t -> string list
val of_unix : string array -> t
val get : t -> Var.t -> string option
val extend : t -> vars:string Map.t -> t

extend env ~vars adds all variables from vars to env overwriting any existing values of those variables in env

val extend_env : t -> t -> t

extend_env a b adds all variables from b to a overwriting any existing values of those variables in a.

val add : t -> var:Var.t -> value:string -> t
val mem : t -> var:Var.t -> bool
val remove : t -> var:Var.t -> t
val diff : t -> t -> t
val update : t -> var:Var.t -> f:(string option -> string option) -> t
val to_dyn : t -> Dyn.t
val of_string_map : string String.Map.t -> t
val to_map : t -> string Map.t
val iter : t -> f:(string -> string -> unit) -> unit