public void CombineIntSpec()
{
var intGreaterThan4Spec = LinqSpec.For <int>(i => i > 4);
var stringLongerThan4CharsSpec = LinqSpec.OnProperty <string, int>(s => s.Length, intGreaterThan4Spec);
var result = new SampleRepository()
.Retrieve(stringLongerThan4CharsSpec);
result.Satisfy(r => !r.Contains("Jose") &&
r.Contains("Julian") &&
r.Contains("Manuel"));
}