Return a non-modifiable reference to the member associated with key.
Return a reference providing non-modifiable access to the Json object associated with the specified key in this JsonObject. The behavior is undefined unless key is valid UTF-8 (see bdlde::Utf8Util::isValid) and this JsonObject already contains a Json object associated with key.
a non-modifiable reference to the element at the specified position
| Name | Description |
|---|---|
| key | UTF-8 member name |