visitSuperscript method
Implementation
@override
String visitSuperscript(SuperscriptNode node) {
final base = visit(node.base);
final exp = visit(node.exponent);
if (exp == "2") {
return "$base squared";
} else if (exp == "3") {
return "$base cubed";
} else {
return "$base to the power of $exp";
}
}