Return an iterator pair covering elements with key equivalent to key.

Synopses

Declared in <bslstl_unorderedmultimap.h>

Return an iterator pair covering elements with key equivalent to key.

bsl::pair<unordered_multimap<KEY, VALUE, HASH, EQUAL, ALLOCATOR>::iterator, unordered_multimap<KEY, VALUE, HASH, EQUAL, ALLOCATOR>::iterator>
equal_range(key_type const& key);

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Return an iterator pair covering elements with key equivalent to key.

bsl::pair<unordered_multimap<KEY, VALUE, HASH, EQUAL, ALLOCATOR>::const_iterator, unordered_multimap<KEY, VALUE, HASH, EQUAL, ALLOCATOR>::const_iterator>
equal_range(key_type const& key) const;

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Return an iterator pair covering elements with key equivalent to key.

template<class LOOKUP_KEY>
pair<iterator, iterator>
equal_range(LOOKUP_KEY const& key)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
        && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;

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Return an iterator pair covering elements with key equivalent to key.

template<class LOOKUP_KEY>
pair<const_iterator, const_iterator>
equal_range(LOOKUP_KEY const& key) const
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
        && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;

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Return Value

  • pair of iterators delimiting the equal‐key range

  • pair of const iterators delimiting the equal‐key range

Parameters

Name

Description

key

key value to look up

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