In some codes I see this:
include ActiveModel::ClassFoo
and in some codes I see this:
include ::ActiveModel::ClassFoo
What is the difference? Sorry I had no clue what to Google for to find the answer to this.
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1no difference, `::` at the very left just change the scope to the top. – oldergod Feb 08 '13 at 02:31
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@oldergod : "just change the "scope" to the top" ... sorry I didn't understand what you meant. Can you explain it more details.thanks. – Feb 08 '13 at 02:34
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I.e., start name resolution at the "top" of the namespaces. – Dave Newton Feb 08 '13 at 02:35