Nullable types and null coalescing operator
可置空类型和空合并运算符
I recently ran MoMA on SubSonic and found only one issue - a weird use of Nullable types.
最近我在SubSonic上运行了MoMA，只发现了一个问题——Nullable类型的一个奇怪应用。
Library Support for nullable types, including conversion operators and arithmetic operators.
为可空类型提供类库支持，包括转换运算符和算术运算符。
Unfortunately the strongly-typed DataRow classes generated by Visual Studio do not use nullable types.
不幸的是，VisualStudio生成的强类型数据集（strongly-typed DataRow）并没有使用nullable values。
Other features include class invariants, non-nullable reference types, and enhanced static analysis capabilities.
其他的特性还包括类不变量、非空引用类型和加强的静态分析功能。
It's the list of field names, types, and optional additional information (like the size, nullable, etc.) that adds some complexity.
它是字段名称、类型和可选附加信息(如大小、nullable)的列表，这些可选附加信息会使名称变得比较复杂。
Value types and structures can be declared nullable.
可以将值类型和结构声明为可以为空。
Value types and structures can be declared nullable.
可以将值类型和结构声明为可以为空。
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