Ast_helper.Constval char : char -> Astlib.Ast_500.Parsetree.constantval string : 
  ?quotation_delimiter:string ->
  ?loc:Astlib.Location.t ->
  string ->
  Astlib.Ast_500.Parsetree.constantval integer : ?suffix:char -> string -> Astlib.Ast_500.Parsetree.constantval int : ?suffix:char -> int -> Astlib.Ast_500.Parsetree.constantval int32 : ?suffix:char -> int32 -> Astlib.Ast_500.Parsetree.constantval int64 : ?suffix:char -> int64 -> Astlib.Ast_500.Parsetree.constantval nativeint : ?suffix:char -> nativeint -> Astlib.Ast_500.Parsetree.constantval float : ?suffix:char -> string -> Astlib.Ast_500.Parsetree.constant