public void Cache()
{
var input = Reactive.Variable(2); //We define a reactive variable.
Func <int> f = () => //f is the calculation we want to cache.
{
Console.WriteLine("cache miss");
return(input * input); //f depends on our reactive variable 'input'.
};
var cache = Reactive.Cache(f); //We base our cache on f.
Assert.AreEqual(4, cache.Get()); //Prints 'cache miss'
Assert.AreEqual(4, cache.Get()); //Cache hit.
input.Value = 3; //Cache becomes stale.
Assert.AreEqual(9, cache.Get()); //Prints 'cache miss'
Assert.AreEqual(9, cache.Get()); //Cache hit.
}