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A hash function is any algorithm that maps data of arbitrary length to data of a fixed length. The values returned by a hash function are called hash values, hash codes, hash sums, checksums or simply hashes. From Wikipedia: http://en.wikipedia.org/wiki/Hash_function

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Why can't Dictionary(TKey, TValue) update it's hashcodes?

I've read that an object's hashcode should not change while it is part of a Dictionary. Because if it changed, there would be no way to find it in the Dictionary. Why doesn't the Dictionary class hav …
David Klempfner's user avatar