public void GetHashCodeTest()
{
SymbolComparer sc = new SymbolComparer();
Variable a = new Variable('a');
Variable b = new Variable('a');
Assert.AreEqual(sc.GetHashCode(a), sc.GetHashCode(b));
a = new Variable('a');
b = new Variable('b');
Assert.AreNotEqual(sc.GetHashCode(a), sc.GetHashCode(b));
}
public override int GetHashCode()
{
return(base.GetHashCode() * -1521134295 +
SymbolComparer.GetHashCode(Constructor));
}
