Number of seconds as a Float

Incurs a loss of precision, but the result is pretty to print.

Property definitions

realtime $ Timespec :: to_f
	# Number of seconds as a `Float`
	#
	# Incurs a loss of precision, but the result is pretty to print.
	fun to_f: Float `{
		return (double)self->tv_sec + 0.000000001 * self->tv_nsec;
	`}
lib/realtime/realtime.nit:139,2--144,3