instrumenter

Documentation

Index

• func NullInstrumenter(ctx context.Context, op string, args ...any) func(err error)
• type Instrumenter
  • func CombinedInstrumenter(instr ...Instrumenter) Instrumenter
  • func (i Instrumenter) Observe(ctx context.Context, op string, args ...any) func(err error)

Functions

func NullInstrumenter

func NullInstrumenter(ctx context.Context, op string, args ...any) func(err error)

NullInstrumenter is a no-op instrumenter.

Types

type Instrumenter

type Instrumenter func(ctx context.Context, op string, args ...any) func(err error)

Instrumenter defines function type that can be used for instrumentation. This function should return a function with no argument as a callback for finished execution.

func CombinedInstrumenter

func CombinedInstrumenter(instr ...Instrumenter) Instrumenter

CombinedInstrumenter is an instrumenter that combines multiple instrumenters.

func (Instrumenter) Observe

func (i Instrumenter) Observe(ctx context.Context, op string, args ...any) func(err error)

Observe operation.