lib/oleg: document cache function
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@ -33,6 +33,7 @@ ret.delete = (tab, key) ->
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ret.set = (tab, key, value) ->
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ret.set = (tab, key, value) ->
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request "POST", tab, key, value
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request "POST", tab, key, value
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--- cache gets a key from tab, optionally running the getter function if key is not in tab
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ret.cache = (tab, key, getter) ->
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ret.cache = (tab, key, getter) ->
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data, err = ret.get tab, key
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data, err = ret.get tab, key
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