Return true if this map contains an element whose key is equivalent to the specified key.
Declared in <bslstl_map.h>
Return true if this map contains an element whose key is equivalent to the specified key.
bool
contains(key_type const& key) const;Return true if this map contains an element whose key is equivalent to the specified key.
template<class LOOKUP_KEY>
bool
contains(LOOKUP_KEY const& key) const
requires BloombergLP::bslmf::IsTransparentPredicate<COMPARATOR,
LOOKUP_KEY>::value;