C# 编程/关键字/double

double 关键字用于字段、方法、属性和变量声明以及在强制转换和typeof操作中作为 .NET 框架结构System.Double的别名。也就是说，它代表一个 IEEE 754，64 位带符号二进制浮点数，其值为负零、正零、负无穷大、正无穷大、非数字或一个范围在$-5.0\times 10^{-324}$ 到 $-1.79\times 10^{308}$ 或从 $5.0\times 10^{-324}$ 到 $1.79\times 10^{308}$之间的数字。

C# 关键字
abstract as base bool break byte case catch char checked class const continue decimal default delegate do double else enum event explicit extern false finally fixed float for foreach goto if implicit in int interface internal is lock long namespace new null object operator out override params private protected public readonly ref return sbyte sealed short sizeof stackalloc static string struct switch this throw true try typeof uint ulong unchecked unsafe ushort using var virtual void volatile while
特殊的 C# 标识符（上下文关键字）
add alias async await dynamic get global nameof partial remove set value when where yield
上下文关键字（用于查询）
ascending by descending equals from group in into join let on orderby select where