{"head":"bb3d5bd90f2cbadc9adbeed3ade7eb5f82e12c18","size":6,"push_id":44759852,"shas":[["97ec1c1f553538869ac2ba8efeea283a451ec89b","db344ea0f6634f2e555abf5edf2bc3452350f8e1@gmail.com","Initial state","Giorgio Sironi"],["bdd33f95591bd24968ac30f69168314bdd43f2b8","db344ea0f6634f2e555abf5edf2bc3452350f8e1@gmail.com","Introduced Factory Methods","Giorgio Sironi"],["19c2af9cae0002b537e45308195d29c119a921c1","db344ea0f6634f2e555abf5edf2bc3452350f8e1@gmail.com","Added field, and valorized via Factory Methods","Giorgio Sironi"],["d9e2ded0a546ecd3777f437989c899efd3986d33","db344ea0f6634f2e555abf5edf2bc3452350f8e1@gmail.com","Using new field, and deleted logic from subclasses","Giorgio Sironi"],["649d0c8bdfe731d89b058f5fd8e5c417cfab73e9","db344ea0f6634f2e555abf5edf2bc3452350f8e1@gmail.com","Deleted empty subclasses; made Link concrete","Giorgio Sironi"],["bb3d5bd90f2cbadc9adbeed3ade7eb5f82e12c18","db344ea0f6634f2e555abf5edf2bc3452350f8e1@gmail.com","Simplified unit tests","Giorgio Sironi"]],"ref":"refs/heads/master"}