val parse_suffix : Base.String.t -> index:Base.Int.t -> Unit_of_time.tval suffix_of_unit_of_time : Unit_of_time.t -> Base.String.t
Span_float.Privateval parse_suffix : Base.String.t -> index:Base.Int.t -> Unit_of_time.tval suffix_of_unit_of_time : Unit_of_time.t -> Base.String.t