Module Environment

module Environment: Environment

type t = (string, string) Core.List.Assoc.t 

val add : key:string -> data:string -> t -> t

val find : key:string -> t -> string option

val find_exn : key:string -> t -> string

val mem : key:string -> t -> bool

val remove : key:string -> t -> t

val import_from_sys : ?default:string -> key:string -> t -> t

val append_to_path : ?where:[ `Back | `Front ] ->
       key:string -> data:string -> t -> t

val to_exec_env : t -> string array

val of_exec_env : string array -> t