rb_ary_subseq    500 array.c        	return rb_ary_subseq(ary, beg, len);
rb_ary_subseq    517 array.c        	return rb_ary_subseq(ary, beg, len);
rb_ary_subseq    1253 array.c        	arg2 = rb_ary_subseq(ary, pos, len);