Class: Walrus::Grammar::MemoizingCache::NoValueForKey
- Inherits:
-
Object
- Object
- Walrus::Grammar::MemoizingCache::NoValueForKey
- Includes:
- Singleton
- Defined in:
- lib/walrus/grammar/memoizing_cache.rb
Overview
Singleton class that serves as a default value for unset keys in a Hash.