Merge pull request rails#54051 from kwarddev/kw-update-redis-cache-store-docs

Document AS::Cache::RedisCacheStore#write options [ci skip]

Author: byroot

activesupport/lib/active_support/cache.rb

@@ -658,6 +658,8 @@ def fetch_multi(*names)
       #   version, the read will be treated as a cache miss. This feature is
       #   used to support recyclable cache keys.
       #
+      # * +:unless_exist+ - Prevents overwriting an existing cache entry.
+      #
       # Other options will be handled by the specific cache store implementation.
       def write(name, value, options = nil)
         options = merged_options(options)

activesupport/lib/active_support/cache/mem_cache_store.rb

@@ -110,9 +110,6 @@ def inspect
       # * <tt>raw: true</tt> - Sends the value directly to the server as raw
       #   bytes. The value must be a string or number. You can use memcached
       #   direct operations like +increment+ and +decrement+ only on raw values.
-      #
-      # * <tt>unless_exist: true</tt> - Prevents overwriting an existing cache
-      #   entry.
 
       # Increment a cached integer value using the memcached incr atomic operator.
       # Returns the updated value.