For instance variables, that is, the keys in the blessed anonymous hash that you are using to store your instance data, a leading underscore more usefully indicates "private from subclasses" since all of an object's implementation is supposed to be encapsulated behind methods. So there is a convention, but it is a different convention from method names, where the leading underscore indicates that a method is not part of the external API.

In reply to Re^5: How to completely destroy class attributes with Test::Most? by jcb
in thread How to completely destroy class attributes with Test::Most? by nysus

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