So that it compiles to,
```
if (!(name in result)) {
result[name] = value;
}
```
instead of,
```
if (!(indexOf.call(result, name) >= 0)) {
result[name] = value;
}
```
since `result` is an object, not an array.
ReferenceError: age is not defined snowflake.js:265:7
BucketRateLimit.prototype.when snowflake/proxy/build/snowflake.js:265:7
ProxyPair.prototype.flush snowflake/proxy/build/snowflake.js:558:63
bind/< snowflake/proxy/build/snowflake.js:10:56
ProxyPair.prototype.onClientToRelayMessage snowflake/proxy/build/snowflake.js:495:14
bind/< snowflake/proxy/build/snowflake.js:10:56
