Module Location.Error

type location = t
type t
val make : loc:location -> Ppxlib__.Import.string -> sub:(location * Ppxlib__.Import.string) Ppxlib__.Import.list -> t
val createf : loc:location -> ('a, Ppxlib__.Import.unit, Ppxlib__.Import.string, t) Ppxlib__.Import.format4 -> 'a
val message : t -> Ppxlib__.Import.string
val set_message : t -> Ppxlib__.Import.string -> t
val register_error_of_exn : (Ppxlib__.Import.exn -> t Ppxlib__.Import.option) -> Ppxlib__.Import.unit

Register an exception handler. Exception registered this way will be properly displayed by report_exception.

val of_exn : Ppxlib__.Import.exn -> t Ppxlib__.Import.option
val to_extension : t -> Ppxlib__.Import.extension

Convert an error to an extension point. The compiler recognizes this and displays the error properly.