Add missing whitespaces for Zeek coding style

src/telemetry/Counter.cc

@@ -118,7 +118,6 @@ int64_t IntCounter::value() const noexcept
 
 IntCounterFamily::IntCounterFamily(Impl* ptr) : MetricFamily(upcast(ptr))
 	{
-	// nop
 	}
 
 IntCounter IntCounterFamily::getOrAdd(Span<const LabelView> labels)
@@ -149,7 +148,6 @@ double DblCounter::value() const noexcept
 
 DblCounterFamily::DblCounterFamily(Impl* ptr) : MetricFamily(upcast(ptr))
 	{
-	// nop
 	}
 
 DblCounter DblCounterFamily::getOrAdd(Span<const LabelView> labels)

src/telemetry/Counter.h

@@ -61,7 +61,6 @@ public:
 private:
 	explicit IntCounter(Impl* ptr) noexcept : pimpl(ptr)
 		{
-		// nop
 		}
 
 	Impl* pimpl;
@@ -154,7 +153,6 @@ public:
 private:
 	explicit DblCounter(Impl* ptr) noexcept : pimpl(ptr)
 		{
-		// nop
 		}
 
 	Impl* pimpl;

src/telemetry/Gauge.cc

@@ -133,7 +133,6 @@ int64_t IntGauge::value() const noexcept
 
 IntGaugeFamily::IntGaugeFamily(Impl* ptr) : MetricFamily(upcast(ptr))
 	{
-	// nop
 	}
 
 IntGauge IntGaugeFamily::getOrAdd(Span<const LabelView> labels)
@@ -174,7 +173,6 @@ double DblGauge::value() const noexcept
 
 DblGaugeFamily::DblGaugeFamily(Impl* ptr) : MetricFamily(upcast(ptr))
 	{
-	// nop
 	}
 
 DblGauge DblGaugeFamily::getOrAdd(Span<const LabelView> labels)

src/telemetry/Gauge.h

@@ -77,7 +77,6 @@ public:
 private:
 	explicit IntGauge(Impl* ptr) noexcept : pimpl(ptr)
 		{
-		// nop
 		}
 
 	Impl* pimpl;
@@ -180,7 +179,6 @@ public:
 private:
 	explicit DblGauge(Impl* ptr) noexcept : pimpl(ptr)
 		{
-		// nop
 		}
 
 	Impl* pimpl;

src/telemetry/Manager.cc

@@ -81,6 +81,10 @@ auto withNative(Span<const std::string_view> xs, F continuation)
 
 } // namespace
 
+Manager::~Manager()
+	{
+	}
+
 IntCounterFamily Manager::intCounterFam(std::string_view prefix,
                                         std::string_view name,
                                         Span<const std::string_view> labels,

src/telemetry/Manager.h

@@ -22,13 +22,14 @@ public:
 
 	explicit Manager(Impl* ptr) : pimpl(ptr)
 	{
-	//nop
 	}
 
 	Manager(const Manager&) = delete;
 
 	Manager& operator=(const Manager&) = delete;
 
+	virtual ~Manager();
+
 	/**
 	 * @returns a counter metric family. Creates the family lazily if necessary.
 	 * @param prefix The prefix (namespace) this family belongs to.
@@ -275,6 +276,8 @@ private:
 
 namespace zeek {
 
+// @note for technically reasons (CAF dependency), this variable gets
+//       initialized in broker/Manager.cc.
 extern telemetry::Manager* telemetry_mgr;
 
 } // namespace zeek

src/telemetry/MetricFamily.h

@@ -68,7 +68,6 @@ public:
 protected:
 	explicit MetricFamily(Impl* ptr) : pimpl(ptr)
 		{
-		// nop
 		}
 
 	Impl* pimpl;