If a key equivalent to the specified key already exists in this unordered_map, assign the specified obj to the value associated with that key, and return a pair containing an iterator referring to the existing item and false. Otherwise, insert into this map a newly‐created value_type object, constructed from (std::forward<KEY>(key), std::forward<BDE_OTHER_TYPE>(obj)...)), and return a pair containing an iterator referring to the newly‐created entry and true.

Synopsis

Declared in <bslstl_unorderedmap.h>

template<class BDE_OTHER_TYPE>
pair<iterator, bool>
insert_or_assign(
    BloombergLP::bslmf::MovableRef<basic_string<char>> key,
    BDE_OTHER_TYPE&& obj);

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