Return the number of objects in this table having the specified key.
Declared in <bdlc_flathashtable.h>
std::size_t
count(KEY const& key) const;Note that since a table maintains unique keys, the returned value will be either 0 or 1.
1 if key is present, and 0 otherwise
| Name | Description |
|---|---|
| key | key to look up |