using uCalcSoftware;

var uc = new uCalc();
var t = uc.NewTransformer();
// Structure:
// 1. Alternation: "Open" OR "Save"
// 2. Inside "Open": Optional "Recent"
// 3. Inside "Recent": Alternation "File" OR "Project"
var pattern = "Menu { Open [ Recent {type: File | Project } ] | Save }";

t.FromTo(pattern, "Action Detected");

Console.WriteLine(t.Transform("Menu Save"));                 // Match (Simple Alternation)
Console.WriteLine(t.Transform("Menu Open"));                 // Match (Optional omitted)
Console.WriteLine(t.Transform("Menu Open Recent File"));     // Match (Deep nesting)
Console.WriteLine(t.Transform("Menu Open Recent Project"));  // Match (Deep nesting alt)