CandleClock.call_interval

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call_interval(mfa, duration \\ nil, interval, opts \\ [])

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Specs

call_interval(mf_args(), interval(), interval(), keyword()) ::
  {:ok, struct()} | {:error, any()}

Creates a timer that is executed every interval ms.

Additionally, the duration until the first trigger can be passed with the duration argument.

Returns the timer in an ok-tuple if successful.