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Merge remote-tracking branch 'origin/master'
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@ -96,6 +96,7 @@ function pubsub:subscribe(event, callback)
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end
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--subscribe to an event, automatically unsubscribe once called
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--return the function that can be used to unsubscribe early if needed
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function pubsub:subscribe_once(event, callback)
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local f
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local called = false
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@ -107,6 +108,7 @@ function pubsub:subscribe_once(event, callback)
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end
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end
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self:subscribe(event, f)
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return f
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end
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--unsubscribe from an event
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