# Module Attr_helper

    module Attr_helper: sig .. end

Helpers for attributes

Warning: this module is unstable and part of compiler-libs.

    type error =

`|` | `Multiple_attributes of `string``
`|` | `No_payload_expected of `string``

    val get_no_payload_attribute : string -> Parsetree.attributes -> string Asttypes.loc option

The `string` argument of the following functions is the name of the attribute we are looking for. If the argument is `"foo"`, these functions will find attributes with the name `"foo"` or `"ocaml.foo"`

    val has_no_payload_attribute : string -> Parsetree.attributes -> bool

    exception Error of Location.t * error

    val report_error : error Format_doc.format_printer

    val report_error_doc : error Format_doc.printer