Embedded types should be at the top of the field list of a struct.

And there should be an empty line separating embedded fields from regular fields

collectors/cpufreqCpuinfoMetric.go

@@ -32,6 +32,7 @@ type CPUFreqCpuInfoCollectorTopology struct {
 
 type CPUFreqCpuInfoCollector struct {
 	metricCollector
+
 	topology []CPUFreqCpuInfoCollectorTopology
 }