Function fetch_async_streaming

ehttp/src/streaming/web.rs:17–24

(
    request: &Request,
)

/// `Err` is only for failure to use the fetch API.
#[cfg(feature = "streaming")]
pub async fn fetch_async_streaming(
    request: &Request,
) -> crate::Result<impl Stream<Item = crate::Result<Part>>> {
    let stream = fetch_jsvalue_stream(request)
        .await
        .map_err(string_from_fetch_error)?;
    Ok(stream.map(|result| result.map_err(string_from_fetch_error)))
}

#[cfg(feature = "streaming")]
async fn fetch_jsvalue_stream(