bsl::unordered_map::operator[]

Synopses

Declared in <bslstl_unorderedmap.h>

Return a modifiable reference to the mapped value for movable key.

add_lvalue_reference<VALUE>::type
operator[](BloombergLP::bslmf::MovableRef<key_type> key);

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Return a modifiable reference to the mapped value for key.

add_lvalue_reference<VALUE>::type
operator[](key_type const& key);

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Return a modifiable reference to the mapped value for an equivalent key.

template<class LOOKUP_KEY>
add_lvalue_reference<VALUE>::type
operator[](LOOKUP_KEY&& key)
requires BloombergLP::bslmf::IsTransparentPredicate<HASH, LOOKUP_KEY>::value
        && BloombergLP::bslmf::IsTransparentPredicate<EQUAL,LOOKUP_KEY>::value;

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