LSP in Emacs and VSCode not working properly

[janAkali]

Seems to be some configuration error, can you try to specify your Nim compiler 
backend in a config file, besides your source file:
    
    
    # config.nims
    switch("backend", "c")
    
    
    Run

P.S. I also found and filed a 
[bug](https://github.com/nim-lang/Nim/issues/23922) with `std/math` not working 
in objectiveC backend because of the `c_isnan` symbol. Not sure how it is 
related, because you don't import the math library. But anyway, you can try to 
use Nim v2.0.4 and see if it fixes your problem.