21 lines
567 B
C#
21 lines
567 B
C#
public static class StringExtensionMethods
|
|
{
|
|
public static int GetStableHashCode(this string str)
|
|
{
|
|
unchecked
|
|
{
|
|
int hash1 = 5381;
|
|
int hash2 = hash1;
|
|
|
|
for(int i = 0; i < str.Length && str[i] != '\0'; i += 2)
|
|
{
|
|
hash1 = ((hash1 << 5) + hash1) ^ str[i];
|
|
if (i == str.Length - 1 || str[i+1] == '\0')
|
|
break;
|
|
hash2 = ((hash2 << 5) + hash2) ^ str[i+1];
|
|
}
|
|
|
|
return hash1 + (hash2*1566083941);
|
|
}
|
|
}
|
|
} |