Issue #11527 has been reported by Nicols Sanguinetti.

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Bug #11527: IPAddr#mask_addr isn't a method
https://bugs.ruby-lang.org/issues/11527

* Author: Nicols Sanguinetti
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: all
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
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Right now there's no way to get the current value of an IP address's mask from an IPAddr instance. While there's an instance variable (`@mask_addr`), there's no attribute reader to get it's value, and relying on reading the instance variable isn't pretty nice for a stdlib (stable as it might be).

Is there any particular reason why this is not public, or would a patch/pull request adding the corresponding attr_reader be accepted?



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