func NewWithPatterns()

in grok.go [66:79]

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

func NewWithPatterns(patterns ...map[string]string) (*Grok, error) {
	g := &Grok{
		patternDefinitions:    make(map[string]string),
		lookupDefaultPatterns: true,
	}

	for _, p := range patterns {
		if err := g.AddPatterns(p); err != nil {
			return nil, err
		}
	}

	return g, nil
}