class Concurrent::Collection::NonConcurrentMapBackend
def get_and_set(key, value)
def get_and_set(key, value) stored_value = get_or_default(key, nil) @backend[key] = value stored_value end
def get_and_set(key, value) stored_value = get_or_default(key, nil) @backend[key] = value stored_value end