* usage:

evaulate the following in ur ocaml toplevel (`$ ocaml`):

```
#use_output "dune ocaml top";;
Dot_of_tast.dot_of_tast "let rec fact n = if n = 0 then 1. else float n *. fact (n - 1)";;
```

run in shell to see output:
```
$ xdot x.dot
```


** current development pattern

[cqc@fynn typedastsch]$ ocaml
OCaml version 4.14.0
Enter #help;; for help.

Findlib has been successfully loaded. Additional directives:
  #require "package";;      to load a package
  #list;;                   to list the available packages
  #camlp4o;;                to load camlp4 (standard syntax)
  #camlp4r;;                to load camlp4 (revised syntax)
  #predicates "p,q,...";;   to set these predicates
  Topfind.reset();;         to force that packages will be reloaded
  #thread;;                 to enable threads

# #use_output "dune top";;
# Dot_of_tast.merlin_parse "let x = 0;;"
  ;;
Exception: Assert_failure ("src/kernel/mocaml.ml", 29, 2).
#