jisx0301(*args)
Returns a string in a JIS X 0301 format. The optional argument n is the number of digits for fractional seconds.
DateTime.parse('2001-02-03T04:05:06.123456789+07:00').jisx0301(9) #=> "H13.02.03T04:05:06.123456789+07:00"
static VALUE dt_lite_jisx0301(int argc, VALUE *argv, VALUE self) { long n = 0; rb_check_arity(argc, 0, 1); if (argc >= 1) n = NUM2LONG(argv[0]); return rb_str_append(d_lite_jisx0301(self), iso8601_timediv(self, n)); }