module app; import gumballmachine; import std.stdio : writeln; void main() { GumballMachine gumballMachine = new GumballMachine(5); writeln(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); writeln(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.ejectQuarter(); gumballMachine.turnCrank(); writeln(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.ejectQuarter(); writeln(gumballMachine); gumballMachine.insertQuarter(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); gumballMachine.insertQuarter(); gumballMachine.turnCrank(); writeln(gumballMachine); }