Try Haskell! "Learn you a haskell for great good" is the oft-recommended source. I have a copy, DM if you want it 

 yes pls! 

 https://files.cloud.vinney.xyz/api/public/dl/5qElD_XN/cloud-ebooks/learn-you-a-haskell/learn-you-a-haskell.tar.xz 

 This link is only valid for 24 hours btw. Let me know if it expires before you get it