addUser method

Result<CacheEntry<K, V, U>, CachetteError> addUser(
  1. K key,
  2. U user
)

Adds user to the cache item with key. Only works if the cache item already exists.

Implementation

Result<CacheEntry<K, V, U>, CachetteError> addUser(K key, U user) =>
    addUsers(key, {user});