% nix-shell -p deno
these paths will be fetched (18.39 MiB download, 57.83 MiB unpacked):
/nix/store/vr6lw60nav6kd0qjkb61lbb78mpx4pry-deno-1.8.2
copying path '/nix/store/vr6lw60nav6kd0qjkb61lbb78mpx4pry-deno-1.8.2' from 'https://cache.nixos.org'...
[nix-shell:~]$ deno --version
deno 1.8.2 (release, x86_64-apple-darwin)
v8 9.0.257.3
typescript 4.2.2