type LiteralString string

// Capture interface used by participle
func (ls *LiteralString) Capture(values []string) error {
	// Remove enclosing single quote
	n := len(values[0])
	r := values[0][1 : n-1]
	// Translate doubled quotes
	*ls = LiteralString(strings.ReplaceAll(r, "''", "'"))
	return nil
}

// LiteralList is a type for parsed SQL lists literals
type LiteralList []string

// Capture interface used by participle