code: func convertUnderscoresToCamelCase(s string) string {
  	if len(s) == 0 {
  		return ""
  	}
  	result := ""
  	shouldUpper := false
  	for _, char := range s {
  		if char == '_' {
  			shouldUpper = true
  			continue
  		}
  		if shouldUpper {
  			result += strings.ToUpper(string(char))
  		} else {
  			result += string(char)
  		}
  		shouldUpper = false
  	}
  	return result
  }
docs: // convertUnderscoresToCamelCase converts a string of the form
  // foo_bar_baz to fooBarBaz.