func()

in client.go [429:445]

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

func (c *Client) logger() interface{} {
	c.loggerInit.Do(func() {
		if c.Logger == nil {
			return
		}

		switch c.Logger.(type) {
		case Logger, LeveledLogger:
			// ok
		default:
			// This should happen in dev when they are setting Logger and work on code, not in prod.
			panic(fmt.Sprintf("invalid logger type passed, must be Logger or LeveledLogger, was %T", c.Logger))
		}
	})

	return c.Logger
}