nobu 2016-04-14 13:41:47 +0900 (Thu, 14 Apr 2016) New Revision: 54573 https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=54573 Log: process.c: prefer rb_check_arity * process.c: use rb_check_arity instead of rb_scan_args for simple optional arguments. Modified files: trunk/process.c