Add missing `arg_i++` to fix bug of `s!` in mrb_get_args.
MODIFY
src/class.c
src/class.c
@@ -696,7 +696,7 @@ mrb_get_args(mrb_state *mrb, const char *format, ...)
if (i < argc && mrb_nil_p(ARGV[arg_i])) {
*ps = NULL;
*pl = 0;
- i++;
+ i++; arg_i++;
break;
}
}

Add missing `arg_i++` to fix bug of `s!` in mrb_get_args.