func()

in grok.go [126:136]

• 9 lines of code
• 3 McCabe index (conditional complexity)

func (grok *Grok) AddPatterns(patternDefinitions map[string]string) error {
	// overwrite existing if present
	for name, patternDefinition := range patternDefinitions {
		if strings.ContainsRune(name, ':') {
			return ErrUnsupportedName
		}

		grok.patternDefinitions[name] = patternDefinition
	}
	return nil
}