libcmdliner-ocaml-dev - 1.0.4-2+b1 main

It provides a simple and compositional mechanism to convert command
line arguments to OCaml values and pass them to your functions.
The module automatically handles syntax errors, help messages and
UNIX man page generation. It supports programs with single or
multiple commands (like darcs or git) and respects most of the POSIX
and GNU conventions.
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This package contains the development modules you need to use Cmdliner
in your programs.