不要持久化 HashCode – Weak Reference

如下所示

#if DEBUG
                    // We want to ensure we can change our hash function daily.
                    // This is perfectly fine as long as you don't persist the
                    // value from GetHashCode to disk or count on String A 
                    // hashing before string B.  Those are bugs in your code.
                    hash1 ^= ThisAssembly.DailyBuildNumber;
#endif
                    return hash1 + (hash2 * 1566083941);

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#if DEBUG

// We want to ensure we can change our hash function daily.

// This is perfectly fine as long as you don't persist the

// value from GetHashCode to disk or count on String A

// hashing before string B. Those are bugs in your code.

hash1 ^= ThisAssembly.DailyBuildNumber;

#endif

return hash1 + (hash2 * 1566083941);

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				1	2	3
4	5	6	7	8	9	10
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18	19	20	21	22	23	24
25	26	27	28	29	30	31

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