问是否可以依赖GetHashCode()的值来保持一致？

EN

    /// <summary>
    /// Default implementation of string.GetHashCode is not consistent on different platforms (x32/x64 which is our case) and frameworks. 
    /// FNV-1a - (Fowler/Noll/Vo) is a fast, consistent, non-cryptographic hash algorithm with good dispersion. (see http://isthe.com/chongo/tech/comp/fnv/#FNV-1a)
    /// </summary>
    private static int GetFNV1aHashCode(string str)
    {
        if (str == null)
            return 0;
        var length = str.Length;
        // original FNV-1a has 32 bit offset_basis = 2166136261 but length gives a bit better dispersion (2%) for our case where all the strings are equal length, for example: "3EC0FFFF01ECD9C4001B01E2A707"
        int hash = length;
        for (int i = 0; i != length; ++i)
            hash = (hash ^ str[i]) * 16777619;
        return hash;
    }