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LWT demo - SYNC vs ASYNC printing
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| (executable | |
| (name lwt_demo1) | |
| (libraries lwt lwt.unix) | |
| (preprocess (pps lwt_ppx)) | |
| (flags (:standard -warn-error -22)) | |
| ) |
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| (* | |
| Is Printf.printft SYNC? But... | |
| *) | |
| let () = Printf.printf "=== This line is printed last. Why?\n";; | |
| (* Awaits the user to type something and then prints it. *) | |
| let () = | |
| Lwt_main.run begin | |
| let%lwt data = Lwt_io.(read_line stdin) in | |
| let%lwt () = Lwt_io.printl data in | |
| Lwt.return () | |
| end |
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