ExpiringCache.exists

Checks whether an item exists in the cache and updates its access time. If the life time of the item has expired, it is removed.

bool exists(hash_t key, bool expired)
class ExpiringCache(size_t ValueSize = 0)
bool
exists
(
hash_t key
,
out bool expired
)
out (does_exist) { if (expired) assert (!does_exist); }
bool exists(hash_t key)

Parameters

key hash_t: key to lookup
expired bool: true: an item was found but removed because it was expired

Return Value

Type: bool

true if item exists in cache and its life time is not yet expired.

Out: If expired is false, the return value is false.

Meta

Source

See Implementation

ocean util container cache ExpiringCache ExpiringCache constructors

this

functions

variables