/// <summary>
/// Gets a trimmable view on the specified memoization <paramref name="cache"/>, exposing the memoized function's cache entry metrics.
/// </summary>
/// <param name="cache">The memoization cache to obtain a trimmable view for.</param>
/// <returns>A trimmable view on the specified memoization <paramref name="cache"/> if the cache supports trimming; otherwise, null.</returns>
public static ITrimmable <IMemoizationCacheEntryMetrics> AsTrimmableByMetrics(this IMemoizationCache cache)
{
if (cache == null)
{
throw new ArgumentNullException(nameof(cache));
}
return(cache.GetService <ITrimmable <IMemoizationCacheEntryMetrics> >());
}
/// <summary>
/// Creates a new memoized delegate representation.
/// </summary>
/// <param name="function">The memoized delegate.</param>
/// <param name="cache">The memoization cache.</param>
public MemoizedDelegate(TDelegate function, IMemoizationCache cache)
{
Delegate = function;
Cache = cache;
}
/// <summary>
/// Gets a trimmable view on the specified memoization <paramref name="cache"/>, exposing the memoized function's pairs of arguments and results or errors.
/// </summary>
/// <typeparam name="T">The type of the memoized function's arguments.</typeparam>
/// <typeparam name="TResult">The type of the memoized function's result.</typeparam>
/// <param name="cache">The memoization cache to obtain a trimmable view for.</param>
/// <returns>A trimmable view on the specified memoization <paramref name="cache"/> if the cache supports trimming; otherwise, null.</returns>
public static ITrimmable <KeyValuePair <T, IValueOrError <TResult> > > AsTrimmableByArgumentAndResultOrError <T, TResult>(this IMemoizationCache <T, TResult> cache)
{
if (cache == null)
{
throw new ArgumentNullException(nameof(cache));
}
return(cache.GetService <ITrimmable <KeyValuePair <T, IValueOrError <TResult> > > >());
}
private static string GetOrAdd(IMemoizationCache <Obj, string> cache)
{
return(cache.GetOrAdd(new Obj()));
}