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https://mteheran.dev/2021/01/08/net5-c9-logical-operators-is-and-is-not-are-super-cool-%f0%9f%86%92%f0%9f%86%92%f0%9f%86%92-el-bruno/
#Net5 – C#9 logical operators “is” and “is not” are super cool 🆒🆒🆒 — El Bruno