sequence.md
In ipaddress: Data Analysis for IP Addresses and Networks

input validation works

Code
  seq(ip_network(rep("192.168.0.0/24", 2)))
Condition
  Error in `seq()`:
  ! `x` must have length 1, not length 2
Code
  seq(ip_network())
Condition
  Error in `seq()`:
  ! `x` must have length 1, not length 0

Code
  hosts(ip_network(rep("192.168.0.0/24", 2)))
Condition
  Error in `hosts()`:
  ! `x` must have length 1, not length 2
Code
  hosts(ip_network())
Condition
  Error in `hosts()`:
  ! `x` must have length 1, not length 0
Code
  hosts(ip_address("192.168.0.0"))
Condition
  Error in `hosts()`:
  ! `x` must be an <ip_network> vector