Assign to this unordered map the value of the of the specified initializer list rhs, and return a reference providing modifiable access to this object. This method requires that the (template parameter) type value_type be copy-insertable into this list.
Declared in <bslstl_unorderedmap.h>
unordered_map<basic_string<char>, Json, TransparentHash, TransparentEqualTo>&
operator=(std::initializer_list<value_type> rhs);