Method Index
Index<TSource>(IAsyncEnumerable<TSource>)
Returns a sequence of tuples where the key is
the zero-based index of the value in the source
sequence.
Declaration
public static IAsyncEnumerable<(int index, TSource item)> Index<TSource>(this IAsyncEnumerable<TSource> source)Parameters
| Type | Name | Description |
|---|---|---|
| IAsyncEnumerable<TSource> | source | The source sequence. |
Returns
| Type | Description |
|---|---|
| IAsyncEnumerable<(int index, TSource item)> | A sequence of tuples. |
Type Parameters
| Name | Description |
|---|---|
| TSource | Type of elements in |
Remarks
This operator uses deferred execution and streams its results.
Exceptions
| Type | Condition |
|---|---|
| ArgumentNullException |
|
Index<TSource>(IAsyncEnumerable<TSource>, int)
Returns a sequence of tuples where the key is
the zero-based index of the value in the source
sequence. An additional parameter specifies the
starting index.
Declaration
public static IAsyncEnumerable<(int index, TSource item)> Index<TSource>(this IAsyncEnumerable<TSource> source, int startIndex)Parameters
| Type | Name | Description |
|---|---|---|
| IAsyncEnumerable<TSource> | source | The source sequence. |
| int | startIndex |
Returns
| Type | Description |
|---|---|
| IAsyncEnumerable<(int index, TSource item)> | A sequence of tuples. |
Type Parameters
| Name | Description |
|---|---|
| TSource | Type of elements in |
Remarks
This operator uses deferred execution and streams its results.
Exceptions
| Type | Condition |
|---|---|
| ArgumentNullException |
|