rb_warnS 13787 ext/ripper/ripper.c rb_warnS("useless use of %s in void context", useless); rb_warnS 8387 ext/ripper/ripper.y rb_warnS("useless use of %s in void context", useless); rb_warnS 13719 parse.c rb_warnS("useless use of %s in void context", useless); rb_warnS 8387 parse.y rb_warnS("useless use of %s in void context", useless);