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You are wrong that a speed improvement is the only reason to use our over use vars. (In fact I am not absolutely positive that it is always a win.)
The difference with our is that the declaration is lexical, not global. So using our in 3 functions becomes an alternative to a global that is globally accessible, or a private block with a lexical variable. Personally I don't consider the win over use vars to be compelling. In fact if you are going to be sharing a variable in several places, I don't like having to synchronize the declarations. Hence for most purposes I actively prefer use vars. However that is an opinion decidedly at odds with many other people. Hence the above may prove useful if (unlike me) you are in a predominantly 5.6 environment and like our. In reply to Re (tilly) 2: "use vars" will remain (Re: Win32 EXPORT_OK problems)
by tilly
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