Summary
Projects each element of a sequence into a new form by incorporating the element's index.
Syntax
public static IAsyncEnumerable<TResult> Map<TSource, TResult>(this IAsyncEnumerable<TSource> source, Func<TSource, int, TResult> selector)
Type Parameters
| Name |
Description |
| TSource |
The type of the elements of source. |
| TResult |
The type of the value returned by selector. |
Parameters
| Name |
Type |
Description |
| source |
IAsyncEnumerable<TSource> |
A sequence of values to invoke a transform function on. |
| selector |
Func<TSource, int, TResult> |
A transform function to apply to each source element; the second parameter of the function represents the index of the source element. |
Return Value
| Type |
Description |
| IAsyncEnumerable<TResult> |
An System.Collections.Generic.IAsyncEnumerable`1 whose elements are the result of invoking the transform function on each element of source. |
