Greetings,
  When using a 'foreign' function (from another package, say function
'whatever' from package 'foo'), you can of course just require the package
and then just have

whatever(...)

in your code.  However, I would like to use the

foo::whatever(...)

form instead, just for documentation purposes (easier to see what function
comes from what package).  Is there a cost to doing this?  Is it considered
good or bad style?  Thanks.

Ron Barry

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