docs: added condition explanation

praserx · Copilot · web-flow · commit 8860c8d8202b · 2025-07-22T14:37:06.000+02:00
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/cache.go b/cache.go
@@ -314,6 +314,9 @@ func (a *AtomicCache) Delete(key string) error {
 	}
 
 	shardSection := a.getShardsSectionByID(val.ShardSection)
+	// Check if the shard at val.ShardIndex is nil. This is a defensive check to
+	// handle cases where the shard might have been released or not initialized
+	// due to concurrent modifications or unexpected states.
 	if shardSection.shards[val.ShardIndex] != nil {
 		shardSection.shards[val.ShardIndex].Free(val.RecordIndex)
 		a.releaseShard(val.ShardSection, val.ShardIndex)

Original file line number	Diff line number	Diff line change
`@@ -314,6 +314,9 @@ func (a *AtomicCache) Delete(key string) error {`
`314`	`314`	`}`
`315`	`315`
`316`	`316`	`shardSection := a.getShardsSectionByID(val.ShardSection)`
	`317`	`+ // Check if the shard at val.ShardIndex is nil. This is a defensive check to`
	`318`	`+ // handle cases where the shard might have been released or not initialized`
	`319`	`+ // due to concurrent modifications or unexpected states.`
`317`	`320`	`if shardSection.shards[val.ShardIndex] != nil {`
`318`	`321`	`shardSection.shards[val.ShardIndex].Free(val.RecordIndex)`
`319`	`322`	`a.releaseShard(val.ShardSection, val.ShardIndex)`