deduce them from the arguments provided.
	   That's the case here and the following is the preferred way to
	   write this example...

<div class="code"><pre class="prettyprint">
[TestFixture(100.0, 42)]
[TestFixture(42, 100.0)]
public class DeduceTypeArgsFromArgs&lt;T1, T2&gt;
{
    T1 t1;
    T2 t2;

    public DeduceTypeArgsFromArgs(T1 t1, T2 t2)
    {
        this.t1 = t1;
        this.t2 = t2;
    }

    [TestCase(5, 7)]
    public void TestMyArgTypes(T1 t1, T2 t2)
    {
        Assert.That(t1, Is.Type