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philipcristiano/first_value.erl

Created September 2, 2013 20:39
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Retrieve the first non `null` value from Graphite datapoints
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first_value.erl
first_value([[null,Time]|T]) ->
first_value(T);
first_value([[Value, Time]|T]) ->
{ok, Value};
first_value(_)->
{error, no_value}.
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