I need to provide a package variable in a module I'm working on to let the user turn on or off a feature. It's a simple non object oriented module. I've used Data::GUID::Any before and remembered there is a package variable called UC that is used exactly like what I want to do. The user can get lower case GUIDs by setting it to false but it defaults to positive.
local $Data::GUID::Any::UC;
guid_as_string(); # will be lower case
My question is since this variable isn't a constant should it be uppercase? Perhaps the author just wanted to avoid having it look similar to uc().
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