nix-instantiate [OPTIONS...] [FILES...]

`nix-instantiate' turns Nix expressions into store derivations. 

The argument `-' may be specified to read a Nix expression from
standard input.

Options:

  --version: output version information
  --help: display help

  --verbose / -v: verbose operation (may be repeated)

  --eval-only: evaluate and print resulting term; do not instantiate
  --parse-only: parse and print abstract syntax tree

  --add-root: add garbage collector roots for the result