Alex.F

use custom 'PagerData' protocol for data to avoid unexpected slowness

1

Do not convert the input data to array to invalidate lazy effects. Usecase: Photos `PHFetchResult` is a lazy object. Converting it to an array cost a lot of time if...

Async event is marked with 'n', and should be associated with a span id.

`cargo fmt` automatically formats. - -

Use slacker-asyncio to replace slacker

1

Use slacker-asyncio to replace slacker. Thus slack web api can be called asynchronously.