cache.TryGetValue in MemoryCache c# .net
public class MyCache
{
private MemoryCache _cache = new MemoryCache(new MemoryCacheOptions());
private string nullValue = Guid.NewGuid().ToString();
public void Set(string cacheKey, string toSet)
=> _cache.Set<string>(cacheKey, toSet == null ? nullValue : toSet);
public string Get(string cacheKey)
{
var isInCache = _cache.TryGetValue(cacheKey, out string cachedVal);
if (!isInCache) return null;
return cachedVal == nullValue ? null : cachedVal;
}
}