Enum FetchChunk 

pub enum FetchChunk {
    Data(Vec<u8>),
    Pending,
    End,
    Error,
}

Result of a non-blocking fetch_recv poll.

Variants

Data(Vec<u8>)

One body chunk (may be part of a larger network chunk if it didn’t fit in the caller’s buffer).

Pending

No chunk is available right now, but more may still arrive. Call fetch_recv again next frame.

End

The body has been fully delivered and all chunks have been drained.

Error

The request failed or was aborted. Inspect fetch_state and fetch_error for details.