public static LazyExpression operator !=(Expression L, Expression R)
{
if ((L is null) || (R is null))
{
return(new LazyExpression(Constant.New(!ReferenceEquals(L, R))));
}
return(new LazyExpression(Binary.NotEqual(L, R)));
}
public static LazyExpression operator !=(LazyExpression L, LazyExpression R)
{
if (ReferenceEquals(L.value, null) || ReferenceEquals(R.value, null))
{
return(new LazyExpression(Constant.New(!ReferenceEquals(L.value, R.value))));
}
return(new LazyExpression(Binary.NotEqual(L.value, R.value)));
}
protected override object VisitProduct(Product M)
{
foreach (Expression i in M.Terms)
{
conditions.Push(Binary.NotEqual(i, 0));
equal.Push(equal.Peek() / i);
Visit(Product.New(M.Terms.ExceptUnique(i)));
equal.Pop();
conditions.Pop();
}
return(null);
}