adding error tests

Merge branch 'main' of https://github.com/vitaly-t/iter-ops

reverting resolution issue

adding test for delay (#239)

* adding test for delay

* tests

update package

Add "skip" support to operatof "flat" (#232)

* finished

* improve styling

fix linting issue

use older typedoc to keep right menu alignment

remove use of unref

remove timeout dependency