[]
Replaces the item at the specified index by the new specified item.
public Task<int> ReplaceAsync(Guid eTag, int index, T item)
| Type | Name | Description |
|---|---|---|
| Guid | eTag | The token that determines whether the calling collection is synchronized. |
| int | index | The index. |
| T | item | The item. |
| Type | Description |
|---|---|
| Task<int> |