public Salt(INonNegativeQuantity positiveQuantity) { Quantity = positiveQuantity; }
protected ComparableTopping(INonNegativeQuantity quantity) { Quantity = quantity; }
public Ketchup() { Extra = NonNegativeQuantity.Get(0); }
public Ketchup(INonNegativeQuantity nonNegativeQuantity) { Extra = nonNegativeQuantity; }
public Mayo(INonNegativeQuantity nonNegativeQuantity) { Extra = nonNegativeQuantity; }
public Mayo() { Extra = NonNegativeQuantity.Get(0); }
public Pepper(INonNegativeQuantity positiveQuantity) { Quantity = positiveQuantity; }