gistfile1.m

- (NSInteger)colorNumber
{
        if (_colorNumber < 0) {
                NSString *hashName = self.nickname.lowercaseString;

                if ([RZUserDefaults() boolForKey:@"UUIDBasedNicknameColorHashing"]) {
                        hashName = [NSString stringWithUUID];
                }
                
                self.colorNumber = (hashName.hash % _colorNumberMax);
        }
        
        return _colorNumber;
}

- (BOOL)isEqual:(id)other
{
        NSAssertReturnR([other isKindOfClass:[IRCUser class]], NO);
        
        return [self.nickname isEqualIgnoringCase:[other nickname]];
}

- (NSUInteger)hash
{
        return self.nickname.lowercaseString.hash;
}