+ else if pname == "fetch_4_chars" then
+ return v.int_instance(args[0].val.as(NativeString).fetch_4_chars(args[1].to_i))
+ else if pname == "fetch_4_hchars" then
+ return v.int_instance(args[0].val.as(NativeString).fetch_4_hchars(args[1].to_i))
+ else if pname == "utf8_length" then
+ return v.int_instance(args[0].val.as(NativeString).utf8_length(args[1].to_i, args[2].to_i))