C#: 𝗧𝗵𝗲 𝗦𝗽𝗲𝗰𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗣𝗮𝘁𝘁𝗲𝗿𝗻

𝘛𝘩𝘦 𝘚𝘱𝘦𝘤𝘪𝘧𝘪𝘤𝘢𝘵𝘪𝘰𝘯 𝘗𝘢𝘵𝘵𝘦𝘳𝘯 𝘧𝘪𝘹𝘦𝘴 𝘪𝘵: 𝘸𝘳𝘪𝘵𝘦 𝘢 𝘣𝘶𝘴𝘪𝘯𝘦𝘴𝘴 𝘳𝘶𝘭𝘦 𝘰𝘯𝘤𝘦, 𝘶𝘴𝘦 𝘪𝘵 𝘦𝘷𝘦𝘳𝘺𝘸𝘩𝘦𝘳𝘦 — 𝘲𝘶𝘦𝘳𝘪𝘦𝘴, 𝘤𝘰𝘮𝘮𝘢𝘯𝘥𝘴, 𝘷𝘢𝘭𝘪𝘥𝘢𝘵𝘪𝘰𝘯, 𝘵𝘦𝘴𝘵𝘴.

In 8 slides:
✅ Why rules get d̶u̶p̶l̶i̶c̶a̶t̶e̶d̶
✅ Two ways to use a spec 𝙏𝙤𝙀𝙭𝙥𝙧𝙚𝙨𝙨𝙞𝙤𝙣() vs 𝙄𝙨𝙎𝙖𝙩𝙞𝙨𝙛𝙞𝙚𝙙𝘽𝙮()
✅ One e-commerce rule, five real consumers
✅ Combine specs with .𝘼𝙣𝙙() .𝙊𝙧() .𝙉𝙤𝙩()
✅ Test business rules with no database