C# 移位運算符和位運算符

int A_VALUE = 1 << 0; // 0001 -> 0001 = 1 int B_VALUE = 1 << 1; // 0001 -> 0010 = 2 int C_VALUE = 1 << 2; // 0001 -> 0100 = 4 int D_VALUE = 1 << 3; // 0001 -> 1000 = 8 int E_VALUE = 1 << 4

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