Bos_os_env (docs.findlib-1.bos.Bos_os

type t = string Astring.String.map

val current : 
  unit ->
  (string Astring.String.Map.t, [> Rresult.R.msg ]) Rresult.result

val to_array : string Astring.String.Map.t -> string array

val var : string -> string option

val set_var : 
  string ->
  string option ->
  (unit, [> Rresult.R.msg ]) Rresult.result

val opt_var : string -> absent:string -> string

val req_var : string -> (string, [> Rresult.R.msg ]) Rresult.result

type 'a parser = string -> ('a, Rresult.R.msg) Rresult.result

val parser : 
  string ->
  (string -> 'a option) ->
  string ->
  ('a, [> Rresult.R.msg ]) Rresult.result

val bool : string -> (bool, [> Rresult.R.msg ]) Rresult.result

val string : 'a -> ('a, 'b) Rresult.result

val path : string -> (Fpath.t, [ `Msg of string ]) result

val cmd : string -> (string list, [> Rresult.R.msg ]) Rresult.result

val some : 
  ('a -> ('b, 'c) Rresult.result) ->
  'a ->
  ('b option, 'c) Rresult.result

val parse : 
  string ->
  (string -> ('a, Rresult.R.msg) Rresult.result) ->
  absent:'a ->
  ('a, [> Rresult.R.msg ]) Rresult.result

val value : 
  ?log:Logs.level ->
  string ->
  (string -> ('a, Rresult.R.msg) Rresult.result) ->
  absent:'a ->
  'a