use Preview.Variables; use Preview.Functions; use Preview.Classes; public lib Main { public class Program { private var test: Test; public constructor() { this.test = Test(str); } public func Main(): void { output(str, test, test2, test3); output(isTrue(test)); output(this.test.getName()); } private func testForEach(): void { var loopList = []; loopList.forEach(e => { output(e); }); } } }