/// <summary>
/// Frees an object for generating the hashes that was acquired from <see cref="GetHasher"/>,
/// adding it back to the pool for later reuse.
/// </summary>
/// <param name="hasher">The object to free.</param>
static void FreeHasher(MD5 hasher)
{
lock (_hashersSync)
{
if (log.IsDebugEnabled)
log.DebugFormat("Freeing hasher [object hash: {0}].", hasher.GetHashCode());
_hashers.Push(hasher);
}
}
