LineageShape.FieldLabel
include Ppx_compare_lib.Comparable.S with type t := t
val compare : t Base__Ppx_compare_lib.compare
include Ppx_compare_lib.Equal.S with type t := t
val equal : t Base__Ppx_compare_lib.equal
val yojson_of_t : t -> Ppx_yojson_conv_lib.Yojson.Safe.t
val fieldname : IR.Fieldname.t -> t
val make_fieldname : IR.Typ.name -> string -> t
val tuple_elem_zero_based : size:int -> index:int -> t