doctest 0.11.4-1build1 (arm64 binary) in ubuntu bionic

 The doctest program checks examples in source code comments.
 It is modeled after doctest for Python
 (<http://docs.python.org/library/doctest.html>).
 .
 Documentation is at
 <https://github.com/sol/doctest-haskell#readme>.
 .
 This package contains the doctest executable.