WDYT about a good first issue label for things like this?
I will add tests for Semaphore :)
@satansk are you still working on it? If not I will be super happy to take it over form you, if you are still working on it please let me know - i'll find other issue to solve :)
@CucumisSativus it's yours :)
Looks like MVar is missing quite a lot of tests, I'll take this possibility and write tem
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WDYT about a
good first issuelabel for things like this?