module Empty_string:
include Parameter_sig.S
val set_possible_values : string list -> unit
Set what are the acceptable values for this parameter.
If the given list is empty, then all values are acceptable.
Since Beryllium-20090901
val get_possible_values : unit -> string list
What are the acceptable values for this parameter.
If the returned list is empty, then all values are acceptable.
Since Beryllium-20090901
val get_function_name : unit -> string
val get_plain_string : unit -> string
always return the argument, even if the argument is not a function name.
Since Sodium-20150201