at overloads
Synopses
Declared in <bslstl_map.h>
Return a reference providing modifiable access to the mapped‐value associated with the specified key, if such an entry exists; otherwise, throw a std::out_of_range exception. Note that this method may also throw a different kind of exception if the (user‐supplied) comparator throws.
add_lvalue_reference<VALUE>::type
at(key_type const& key);
Return a reference providing non‐modifiable access to the mapped‐value associated with a key that is equivalent to the specified key, if such an entry exists; otherwise, throw a std::out_of_range exception. Note that this method may also throw a different kind of exception if the (user‐supplied) comparator throws.
add_lvalue_reference<VALUE const>::type
at(key_type const& key) const;
Return a reference providing modifiable access to the mapped‐value associated with a key that is equivalent to the specified key, if such an entry exists; otherwise, throw a std::out_of_range exception. Note that this method may also throw a different kind of exception if the (user‐supplied) comparator throws.
template<class LOOKUP_KEY>
add_lvalue_reference<VALUE>::type
at(LOOKUP_KEY const& key)
requires BloombergLP::bslmf::IsTransparentPredicate<COMPARATOR,
LOOKUP_KEY>::value;
Return a reference providing non‐modifiable access to the mapped‐value associated with a key that is equivalent to the specified key, if such an entry exists; otherwise, throw a std::out_of_range exception. Note that this method may also throw a different kind of exception if the (user‐supplied) comparator throws.
template<class LOOKUP_KEY>
add_lvalue_reference<VALUE const>::type
at(LOOKUP_KEY const& key) const
requires BloombergLP::bslmf::IsTransparentPredicate<COMPARATOR,
LOOKUP_KEY>::value;
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