}
    
    bool KvConfigContains(KvConfig *cfg, const char *key) {
        return KvConfigGetPtr(cfg, key) != NULL;
    }

        result = result && (si.pos == si.length);
        result = result && (KvConfigLen(&cfg) == 3);
        result = result && KvConfigContains(&cfg, "host");
        result = result && host && StrCmpZstr(host, "localhost") == 0;
        result = result && KvConfigGetI64(&cfg, "port", &port) && (port == 8080);

        result = result && (si.pos == 0);
        result = result && KvConfigGetBool(&cfg, "valid", &enabled) && enabled;
        result = result && !KvConfigContains(&cfg, "later");
    
        StrDeinit(&src);