Method AddOrAppendMetaSlice

pkg/event/event.go:260–267

AddOrAppendMetaSlice puts the provided string into the slice if the key doesn't exist or appends the string to the slice.

(k MetadataKey, s string)

// AddOrAppendMetaSlice puts the provided string into the slice if the key
// doesn't exist or appends the string to the slice.
func (e *Event) AddOrAppendMetaSlice(k MetadataKey, s string) {
	if e.ContainsMeta(k) {
		v := append(e.GetMeta(k).([]string), s)
		e.AddMeta(k, v)
	} else {
		e.AddMeta(k, []string{s})
	}
}

// RemoveMeta removes the event metadata index by given key.
func (e *Event) RemoveMeta(k MetadataKey) {