class Concurrent::Collection::AtomicReferenceMapBackend
def attempt_internal_compute_if_absent(key, hash, current_table, i, node, node_hash)
def attempt_internal_compute_if_absent(key, hash, current_table, i, node, node_hash) added = false current_table.try_lock_via_hash(i, node, node_hash) do while true if node.matches?(key, hash) && NULL != (value = node.value) return true, value end last = node unless node = node.next last.next = Node.new(hash, key, value = yield) added = true increment_size return true, value end end end ensure check_for_resize if added end