A modern programming language that makes developers happier.

kotlinlang

since they dont seem to be bulletproof in swift

billy: Example of it not working like you expect in Swift?

because another method in the same thread but queue timed nilled it out

i thought with GCD in the main thread it couldnt happen

but it for sure can and it blew up my lifted optional

How about an example that I could run? <https://gist.github.com/> or anywhere.

its a very complex program but ill see if I can repro it on a small scale