As @Javi alluded to NimMain is what sets up the GC. So without calling NimMain 
the GC won't work and thus no Nim strings as they require the GC. It's worth 
noting though that \--noMain only removes the call to NimMain, the procedure is 
still generated. So you can import it into your Nim code as any other C 
function and call it yourself.

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