`sig
val char : char -> Parsetree.constant
val string :
?quotation_delimiter:string ->
?loc:Location.t -> string -> Parsetree.constant
val integer : ?suffix:char -> string -> Parsetree.constant
val int : ?suffix:char -> int -> Parsetree.constant
val int32 : ?suffix:char -> int32 -> Parsetree.constant
val int64 : ?suffix:char -> int64 -> Parsetree.constant
val nativeint : ?suffix:char -> nativeint -> Parsetree.constant
val float : ?suffix:char -> string -> Parsetree.constant
end`