[#bsl-unordered_map-02b-insert_or_assign-062]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_map-02b.adoc[unordered_map]::insert_or_assign
:relfileprefix: ../../
:mrdocs:

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 an iterator referring to the existing item. 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`. Use the specified `hint` as a starting point for checking to see if the key already in the unordered_map.

== Synopsis

Declared in `<bslstl_unorderedmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class BDE_OTHER_TYPE>
xref:bsl/unordered_map-02b/iterator.adoc[iterator]
insert_or_assign(
    xref:bsl/unordered_map-02b/const_iterator.adoc[const_iterator] hint,
    KEY const& key,
    BDE_OTHER_TYPE&& obj);
----


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