// --- using Guard.That(...) ---
// Guard.That that will throw an exception, when some condition is not met

public void SomeMethod(int arg1, int arg2)
{
	// This line will throw an exception when the arg1 is less or equal to arg2
	Guard.That(() => arg1).IsGreaterThan(arg2);

	// This will check that arg1 is not null and that is in some range 1..100
	Guard.That(arg2).IsNotNull().IsInRange(1,100);

	// Several checks can be added.
	Guard.That(arg1).IsInRange(100,1000).IsEven().IsTrue(x => x > 50, "Must be over 500");

	// Do stuff
}

// --- using Validate.That(...) ---
// Validate.That makes is possible to get a list of all error conditions

public void OtherMethod(int arg1)
{
	// Get a list of errors
	List<string> errors = Validate.That(() => arg1).IsNotNull().GetResult();
}