jenga

Industrial strength, full-featured build system
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Library jenga
Module Jenga_lib . Var
type 'a t

Var.t is a typed environment variable

val sexp_of_t : ( 'a -> Ppx_sexp_conv_lib.Sexp.t ) -> 'a t -> Ppx_sexp_conv_lib.Sexp.t

It is an error to register a name more than once, unless it has been unregistered by unregister name or clear_all_registrations

val register : ?choices:string list -> string -> string option t
val register_with_default : ?choices:string list -> string -> default:string -> string t
val clear_all_registrations : unit -> unit

Clears the set of known vars, but if variable by the same name are recreated later, the relevant setenv will still be in effect.

val unregister : string -> unit
val registered_names : unit -> string list
val is_registered : string -> bool
module Info : sig ... end
val change_to_peeked_var : unit Tenacious.t
val all_registered : unit -> Info.t list
val peek : ?dont_trigger:unit -> 'a t -> 'a
val watch : 'a t -> 'a Core.Or_error.t Tenacious.t
val map : 'a t -> f:( 'a -> 'b ) -> 'b t
module Getenv : sig ... end
module Setenv : sig ... end