code: func stripBraces(str string) string {
  	bs := []byte(str)
  	const lb = byte('{')
  	const rb = byte('}')
  	start := 0
  	for i := 0; i < len(bs); i++ {
  		switch bs[i] {
  		case lb:
  			start = i + 1
  		case rb:
  			return `\$` + str[start:i]
  		}
  	}
  	return str[start:]
  }
docs: // Strips braces and return simple variable confined between braces