This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.

mask

        # IPAddr.mask

(from ruby core)
---
    mask(prefixlen)

---

Returns a new ipaddr built by masking IP address with the given
prefixlen/netmask. (e.g. 8, 64, "255.255.255.0", etc.)



      

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.