bsl::unordered_map::insert_or_assign

insert_or_assign overloads

Synopses

Declared in <bslstl_unorderedmap.h>

Insert or assign the specified obj under the specified movable key.

template<class BDE_OTHER_TYPE>
pair<iterator, bool>
insert_or_assign(
    BloombergLP::bslmf::MovableRef<KEY> key,
    BDE_OTHER_TYPE&& obj);
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Insert or assign obj under the specified key.

template<class BDE_OTHER_TYPE>
pair<iterator, bool>
insert_or_assign(
    KEY const& key,
    BDE_OTHER_TYPE&& obj);
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Insert or assign obj under transparent key.

template<
    class LOOKUP_KEY,
    class BDE_OTHER_TYPE>
pair<iterator, bool>
insert_or_assign(
    LOOKUP_KEY&& key,
    BDE_OTHER_TYPE&& obj)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;
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Insert or assign obj under movable key at hint.

template<class BDE_OTHER_TYPE>
iterator
insert_or_assign(
    const_iterator hint,
    BloombergLP::bslmf::MovableRef<KEY> key,
    BDE_OTHER_TYPE&& obj);
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Insert or assign obj under key at hint.

template<class BDE_OTHER_TYPE>
iterator
insert_or_assign(
    const_iterator hint,
    KEY const& key,
    BDE_OTHER_TYPE&& obj);
» more...

Insert or assign obj under transparent key at hint.

template<
    class LOOKUP_KEY,
    class BDE_OTHER_TYPE>
iterator
insert_or_assign(
    const_iterator hint,
    LOOKUP_KEY&& key,
    BDE_OTHER_TYPE&& obj)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
         && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;
» more...

Return Value

  • iterator to the element and whether insertion occurred
  • iterator to the element

Parameters

NameDescription
keykey to insert or assign under
objmapped value to insert or assign
hintiterator hint for insertion