[#bsl-map-0a7-insert-07]
= xref:bsl.adoc[bsl]::xref:bsl/map-0a7.adoc[map]::insert
:relfileprefix: ../../
:mrdocs:

Insert into this map the specified `value` if a key (the `first` element) equivalent to that of `value` does not already exist in this map; otherwise, this method has no effect. Return a pair whose `first` member is an iterator referring to the (possibly newly inserted) `value_type` object in this map whose key is equivalent to that of `value`, and whose `second` member is `true` if a new value was inserted and `false` if the key was already present. This method requires that the (template parameter) types `KEY` and `VALUE` both be `move‐insertable` into this map (see {Requirements on `KEY` and `VALUE`}).

== Synopsis

Declared in `<bslstl_map.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/pair-0b.adoc[pair<map<KEY, VALUE, COMPARATOR, ALLOCATOR>::iterator, bool>]
insert(xref:BloombergLP/bslmf/MovableRef.adoc[BloombergLP::bslmf::MovableRef<value_type>] value);
----


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