Method Filter

monitoring/meta.go:20–28

Filter creates a copy of Meta with only the specified keys.

(only ...string)

// Filter creates a copy of Meta with only the specified keys.
func (m Meta) Filter(only ...string) Meta {
	filtered := make(Meta)
	for _, key := range only {
		if value, ok := m[key]; ok {
			filtered[key] = value
		}
	}
	return filtered
}

// MetaKey formats a metadata key with the standard prefix.
func MetaKey(key string) string {