{ mkDerivation }: # How to obtain `sha256`: # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz mkDerivation { version = "25.0-rc3"; sha256 = "1ir42hz81bzxn1shqq0gn824hxd6j774889vjy68psi95psfs8r2"; }