util

Documentation

Index

• func Heartbeat(ctx context.Context, interval Duration, handler func())
• type Duration
  • func (t Duration) MarshalJSON() ([]byte, error)
  • func (t *Duration) UnmarshalJSON(data []byte) (err error)

Functions

func Heartbeat

func Heartbeat(ctx context.Context, interval Duration, handler func())

Heartbeat starts a goroutine that calls handler every interval and stops on ctx.Done(). If interval is not higher than 0 the function does nothing

Types

type Duration

type Duration struct {
	time.Duration
}

Duration represents time.Duration with JSON Marshall/Unmarshal methods

func (Duration) MarshalJSON

func (t Duration) MarshalJSON() ([]byte, error)

MarshalJSON marshals the Duration to JSON data

func (*Duration) UnmarshalJSON

func (t *Duration) UnmarshalJSON(data []byte) (err error)

UnmarshalJSON unmarshals the JSON data to Duration