const main: function = (input: string): string { if ((input == "hello") or input == "bye") { const bye: string = "bye" } return input } const main2: function = (input: string): string { const bye: string = main(input = "bye") const test: bool = (5 > 6) and ((7 < 8) or (true != false)) const test2: string = ((main(input = "test") => main(input = $)) + "test2") return main(input = "hello") + bye }