BloombergLP::bdlc::FlatHashMap::at

Synopses

Declared in <bdlc_flathashmap.h>

Return a reference providing modifiable access to the mapped value associated with the specified key in this map, if such an entry exists; otherwise throw a std::out_of_range exception. Note that this method is not exception-neutral.

VALUE&
at(KEY const& key);

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Return a reference providing non-modifiable access to the mapped value associated with the specified key in this map, if such an entry exists; otherwise throw a std::out_of_range exception. Note that this method is not exception-neutral.

VALUE const&
at(KEY const& key) const;

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Return a reference providing modifiable access to the mapped value associated with a key that is equivalent to the specified key in this map, if such an entry exists; otherwise throw a std::out_of_range exception. Note that this method is not exception-neutral.

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

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Return a reference providing non-modifiable access to the mapped value associated with a key that is equivalent to the specified key in this map, if such an entry exists; otherwise throw a std::out_of_range exception. Note that this method is not exception-neutral.

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

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