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patterns/state/gumballmachinestate/hasquarterstate.d

43 lines
817 B
D

module hasquarterstate;
import std.stdio : writeln;
import state, gumballmachine;
class HasQuarterState : State
{
GumballMachine gumballMachine;
this(GumballMachine gumballMachine)
{
this.gumballMachine = gumballMachine;
}
void insertQuarter()
{
writeln("You can't insert another quarter");
}
void ejectQuarter()
{
writeln("Quarter returned");
gumballMachine.setState(gumballMachine.getNoQuarterState());
}
void turnCrank()
{
writeln("You turned...");
gumballMachine.setState(gumballMachine.getSoldState());
}
void dispense()
{
writeln("No gumball dispensed");
}
void refill() {}
override string toString() const
{
return "waiting for turn of crank";
}
}