visitFraction method
Implementation
@override
String visitFraction(FractionNode node) {
final num = visit(node.numerator);
final den = visit(node.denominator);
final prefix = switch (node.style) {
FractionStyle.display => "display fraction",
FractionStyle.text => "text fraction",
FractionStyle.continued => "continued fraction",
FractionStyle.ruleless => "stacked expression",
FractionStyle.normal => "fraction",
};
return "$prefix: $num over $den";
}