Module: MorseCode::Cacheable

Included in:
Decoder, Encoder
Defined in:
lib/morse_code/cacheable.rb

Instance Method Summary collapse

Instance Method Details

#cache ⇒ Object 



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# File 'lib/morse_code/cacheable.rb', line 5

def cache
  @cache ||= {}
end

#fetch(key) ⇒ Object 



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# File 'lib/morse_code/cacheable.rb', line 9

def fetch(key)
  return cache[key] if cache[key]
  value = yield
  cache[key] = value
  value
end