func (n *StringLiteral) Position() Position {
	return n.Pos
}
Position returns the position in the original source code.
package ast
type StringLiteral struct {
	Addr       Address
	Pos        Position
	Type       string
	Type2      string
	Value      string
	Runes      bool
	IsLvalue   bool
	ChildNodes []Node
}
func parseStringLiteral(line string) *StringLiteral {
	groups := groupsFromRegex(
		`<(?P<position>.*)>
		 '(?P<type1>.*?)'(:'(?P<type2>.*)')?
		(?P<lvalue> lvalue)?
		 (?P<runes>L)?
		(?P<value>".*")`,
		line,
	)
	return &StringLiteral{
		Addr:       ParseAddress(groups["address"]),
		Pos:        NewPositionFromString(groups["position"]),
		Type:       groups["type1"],
		Type2:      groups["type2"],
		Value:      unquote(groups["value"]),
		IsLvalue:   true,
		Runes:      groups["runes"] != "",
		ChildNodes: []Node{},
	}
}
func (n *StringLiteral) AddChild(node Node) {
	n.ChildNodes = append(n.ChildNodes, node)
}
func (n *StringLiteral) Address() Address {
	return n.Addr
}
func (n *StringLiteral) Children() []Node {
	return n.ChildNodes
}