dune/src/env.mli

34 lines
582 B
OCaml

open Import
module Var : sig
type t = string
val compare : t -> t -> Ordering.t
end
type t
module Map : Map.S with type key = Var.t
val empty : t
(** The environment when the process started *)
val initial : t
val to_unix : t -> string array
val get : t -> Var.t -> string option
val extend : t -> vars:string Map.t -> t
val extend_env : t -> t -> t
val add : t -> var:Var.t -> value:string -> t
val diff : t -> t -> t
val update : t -> var:string -> f:(string option -> string option) -> t
val sexp_of_t : t -> Sexp.t
val of_string_map : string String.Map.t -> t