stack eval CODE [--[no-]ghc-package-path] [--[no-]stack-exe]
[--package PACKAGE] [--rts-options RTSFLAG] [--cwd DIR]
GHC has an
expression-evaluation mode,
set by passing the GHC option
-e <expression>. Commanding stack eval <code> is equivalent to commanding:
stack exec ghc -- -e <code>
For further information, see the stack exec command
documentation.