package internal

Import Path
	go.opentelemetry.io/otel/api/global/internal (on go.dev)

Dependency Relation
	imports 10 packages, and imported by one package

Involved Source Files

	      meter.go
	      state.go
	      trace.go
Package-Level Type Names (total 15, in which 2 are exported)

	/* sort exporteds by: alphabet | popularity */
	 type AsyncImpler (interface)
		AsyncImpler is implemented by all of the async
		metric instruments.

		Methods (only one, which is exported)
			( T) AsyncImpl() metric.AsyncImpl
		Implemented By (at least 8, in which 7 are exported)
			 go.opentelemetry.io/otel/api/metric.Float64SumObserver
			 go.opentelemetry.io/otel/api/metric.Float64UpDownSumObserver
			 go.opentelemetry.io/otel/api/metric.Float64ValueObserver
			 go.opentelemetry.io/otel/api/metric.Int64SumObserver
			 go.opentelemetry.io/otel/api/metric.Int64UpDownSumObserver
			 go.opentelemetry.io/otel/api/metric.Int64ValueObserver
			 go.opentelemetry.io/otel/api/metric.Observation
			/* at least one unexported ... *//* at least one unexported: */
			 go.opentelemetry.io/otel/api/metric.asyncInstrument

	 type SyncImpler (interface)
		SyncImpler is implemented by all of the sync metric
		instruments.

		Methods (only one, which is exported)
			( T) SyncImpl() metric.SyncImpl
		Implemented By (at least 8, in which 7 are exported)
			 go.opentelemetry.io/otel/api/metric.Float64Counter
			 go.opentelemetry.io/otel/api/metric.Float64UpDownCounter
			 go.opentelemetry.io/otel/api/metric.Float64ValueRecorder
			 go.opentelemetry.io/otel/api/metric.Int64Counter
			 go.opentelemetry.io/otel/api/metric.Int64UpDownCounter
			 go.opentelemetry.io/otel/api/metric.Int64ValueRecorder
			 go.opentelemetry.io/otel/api/metric.Measurement
			/* at least one unexported ... *//* at least one unexported: */
			 go.opentelemetry.io/otel/api/metric.syncInstrument

	/* 13 unexporteds ... *//* 13 unexporteds: */
	 type asyncImpl (struct)

		Fields (total 4, none are exported)
			/* 4 unexporteds ... *//* 4 unexporteds: */
			delegate unsafe.Pointer
				// (*metric.AsyncImpl)

			instrument instrument
			instrument.descriptor metric.Descriptor
			runner metric.AsyncRunner
		Methods (total 3, in which 2 are exported)
			(*T) Descriptor() metric.Descriptor
			(*T) Implementation() interface{}
			/* one unexported ... *//* one unexported: */
			(*T) setDelegate(d metric.MeterImpl)
		Implements (at least 2, both are exported)
			*T : go.opentelemetry.io/otel/api/metric.AsyncImpl
			*T : go.opentelemetry.io/otel/api/metric.InstrumentImpl

	 type instrument (struct)

		Fields (only one, which is unexported)
			/* one unexported ... *//* one unexported: */
			descriptor metric.Descriptor
		Methods (only one, which is exported)
			(*T) Descriptor() metric.Descriptor

	 type meterEntry (struct)

		Fields (total 2, neither is exported)
			/* 2 unexporteds ... *//* 2 unexporteds: */
			impl meterImpl
			unique metric.MeterImpl

	 type meterImpl (struct)

		Fields (total 4, none are exported)
			/* 4 unexporteds ... *//* 4 unexporteds: */
			asyncInsts []*asyncImpl
			delegate unsafe.Pointer
				// (*metric.MeterImpl)

			lock sync.Mutex
			syncInsts []*syncImpl
		Methods (total 4, in which 3 are exported)
			(*T) NewAsyncInstrument(desc metric.Descriptor, runner metric.AsyncRunner) (metric.AsyncImpl, error)
			(*T) NewSyncInstrument(desc metric.Descriptor) (metric.SyncImpl, error)
			(*T) RecordBatch(ctx context.Context, labels []label.KeyValue, measurements ...metric.Measurement)
			/* one unexported ... *//* one unexported: */
			(*T) setDelegate(name, version string, provider metric.Provider)
		Implements (at least one exported)
			*T : go.opentelemetry.io/otel/api/metric.MeterImpl

	 type meterKey (struct)

		Fields (total 2, both are exported)
			Name string
			Version string

	 type meterProvider (struct)

		Fields (total 3, none are exported)
			/* 3 unexporteds ... *//* 3 unexporteds: */
			delegate metric.Provider
			lock sync.Mutex
				lock protects `delegate` and `meters`.

			meters map[meterKey]*meterEntry
				meters maintains a unique entry for every named Meter
				that has been registered through the global instance.

		Methods (total 2, in which 1 are exported)
			(*T) Meter(instrumentationName string, opts ...metric.MeterOption) metric.Meter
			/* one unexported ... *//* one unexported: */
			(*T) setDelegate(provider metric.Provider)
		Implements (at least one exported)
			*T : go.opentelemetry.io/otel/api/metric.Provider
		As Outputs Of (at least one unexported)
			/* at least one unexported ... *//* at least one unexported: */
			func newMeterProvider() *meterProvider

	 type meterProviderHolder (struct)

		Fields (only one, which is unexported)
			/* one unexported ... *//* one unexported: */
			mp metric.Provider

	 type propagatorsHolder (struct)

		Fields (only one, which is unexported)
			/* one unexported ... *//* one unexported: */
			pr propagation.Propagators

	 type syncHandle (struct)

		Fields (total 4, none are exported)
			/* 4 unexporteds ... *//* 4 unexporteds: */
			delegate unsafe.Pointer
				// (*metric.HandleImpl)

			initialize sync.Once
			inst *syncImpl
			labels []label.KeyValue
		Methods (total 2, both are exported)
			(*T) RecordOne(ctx context.Context, number metric.Number)
			(*T) Unbind()
		Implements (at least one exported)
			*T : go.opentelemetry.io/otel/api/metric.BoundSyncImpl

	 type syncImpl (struct)

		Fields (total 3, none are exported)
			/* 3 unexporteds ... *//* 3 unexporteds: */
			delegate unsafe.Pointer
				// (*metric.SyncImpl)

			instrument instrument
			instrument.descriptor metric.Descriptor
		Methods (total 5, in which 4 are exported)
			(*T) Bind(labels []label.KeyValue) metric.BoundSyncImpl
			(*T) Descriptor() metric.Descriptor
			(*T) Implementation() interface{}
			(*T) RecordOne(ctx context.Context, number metric.Number, labels []label.KeyValue)
			/* one unexported ... *//* one unexported: */
			(*T) setDelegate(d metric.MeterImpl)
		Implements (at least 3, all are exported)
			*T : go.opentelemetry.io/otel/api/metric.AsyncImpl
			*T : go.opentelemetry.io/otel/api/metric.InstrumentImpl
			*T : go.opentelemetry.io/otel/api/metric.SyncImpl

	 type traceProvider (struct)
		traceProvider is a placeholder for a configured SDK Provider.

		All Provider functionality is forwarded to a delegate once configured.

		Fields (total 3, none are exported)
			/* 3 unexporteds ... *//* 3 unexporteds: */
			delegate trace.Provider
			mtx sync.Mutex
			tracers []*tracer
		Methods (total 2, in which 1 are exported)
			(*T) Tracer(name string, opts ...trace.TracerOption) trace.Tracer
				Tracer implements trace.Provider.

			/* one unexported ... *//* one unexported: */
			(*T) setDelegate(provider trace.Provider)
				setDelegate configures p to delegate all Provider functionality to provider.

				All Tracers provided prior to this function call are switched out to be
				Tracers provided by provider.

				Delegation only happens on the first call to this method. All subsequent
				calls result in no delegation changes.

		Implements (at least one exported)
			*T : go.opentelemetry.io/otel/api/trace.Provider

	 type traceProviderHolder (struct)

		Fields (only one, which is unexported)
			/* one unexported ... *//* one unexported: */
			tp trace.Provider

	 type tracer (struct)
		tracer is a placeholder for a trace.Tracer.

		All Tracer functionality is forwarded to a delegate once configured.
		Otherwise, all functionality is forwarded to a NoopTracer.

		Fields (total 4, none are exported)
			/* 4 unexporteds ... *//* 4 unexporteds: */
			delegate trace.Tracer
			name string
			once sync.Once
			opts []trace.TracerOption
		Methods (total 2, in which 1 are exported)
			(*T) Start(ctx context.Context, name string, opts ...trace.StartOption) (context.Context, trace.Span)
				Start implements trace.Tracer by forwarding the call to t.delegate if
				set, otherwise it forwards the call to a NoopTracer.

			/* one unexported ... *//* one unexported: */
			(*T) setDelegate(provider trace.Provider)
				setDelegate configures t to delegate all Tracer functionality to Tracers
				created by provider.

				All subsequent calls to the Tracer methods will be passed to the delegate.

				Delegation only happens on the first call to this method. All subsequent
				calls result in no delegation changes.

		Implements (at least one exported)
			*T : go.opentelemetry.io/otel/api/trace.Tracer


Package-Level Functions (total 13, in which 8 are exported)

	 func AtomicFieldOffsets() map[string]uintptr
	 func MeterProvider() metric.Provider
		MeterProvider is the internal implementation for global.MeterProvider.

	 func Propagators() propagation.Propagators
		Propagators is the internal implementation for global.Propagators.

	 func ResetForTest()
		ResetForTest restores the initial global state, for testing purposes.

	 func SetMeterProvider(mp metric.Provider)
		SetMeterProvider is the internal implementation for global.SetMeterProvider.

	 func SetPropagators(pr propagation.Propagators)
		SetPropagators is the internal implementation for global.SetPropagators.

	 func SetTraceProvider(tp trace.Provider)
		SetTraceProvider is the internal implementation for global.SetTraceProvider.

	 func TraceProvider() trace.Provider
		TraceProvider is the internal implementation for global.TraceProvider.

	/* 5 unexporteds ... *//* 5 unexporteds: */
	 func defaultMeterValue() *atomic.Value
	 func defaultPropagatorsValue() *atomic.Value
	 func defaultTracerValue() *atomic.Value
	 func getDefaultPropagators() propagation.Propagators
		getDefaultPropagators returns a default Propagators, configured
		with W3C trace and correlation context propagation.

	 func newMeterProvider() *meterProvider
Package-Level Variables (total 5, none are exported)

	/* 5 unexporteds ... *//* 5 unexporteds: */
	  var delegateMeterOnce sync.Once
	  var delegateTraceOnce sync.Once
	  var globalMeter *atomic.Value
	  var globalPropagators *atomic.Value
	  var globalTracer *atomic.Value

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