Retrieves an item from the pool belonging to the given key in a scoped
effect. Note that if acquisition fails, then the returned effect will fail
for that same reason. Retrying a failed acquisition attempt will repeat the
acquisition attempt.
Retrieves an item from the pool belonging to the given key in a scoped
effect. Note that if acquisition fails, then the returned effect will fail
for that same reason. Retrying a failed acquisition attempt will repeat the
acquisition attempt.
Invalidates the specified item. This will cause the pool to eventually
reallocate the item, although this reallocation may occur lazily rather
than eagerly.
Invalidates the specified item. This will cause the pool to eventually
reallocate the item, although this reallocation may occur lazily rather
than eagerly.