25 lines
477 B
Go
25 lines
477 B
Go
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package main
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import (
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"reflect"
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)
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func filterChanges(in <-chan RaidState) <-chan RaidState {
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out := make(chan RaidState, 4)
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go func(in <-chan RaidState, out chan<- RaidState) {
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defer close(out)
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currentStates := map[string]RaidState{}
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for state := range in {
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if oldState, ok := currentStates[state.Name]; !ok || !reflect.DeepEqual(oldState.DevicesUp, state.DevicesUp) {
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currentStates[state.Name] = state
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out <- state
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}
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}
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}(in, out)
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return out
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}
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