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leostera/echo.ml

Created February 11, 2021 11:38
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echo.ml
open Cmdliner
(* our echo function just prints stuff out *)
let echo x = print_string x
(* this is our argument *)
let msg = Arg.(value & pos 0 string "" & info [])
(* this is our program *)
let echo_t = Term.(const echo $ msg)
let () = Term.exit @@ Term.eval (echo_t, Term.info "echo")
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