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(*
Compile with:
ocamlfind ocamlopt \
-package ptime.clock.os -linkpkg -o min_clock.native min_clock.ml
ocamlfind ocamlc \
-package ptime.clock.os -linkpkg -o min_clock.byte min_clock.ml
js_of_ocaml \
$(ocamlfind query ptime.clock.os -predicates javascript -o-format -r) \
min_clock.byte
*)
let pp_period ppf = function
| None -> Format.fprintf ppf "unknown"
| Some p -> Ptime.Span.pp ppf p
let pp_tz ppf = function
| None -> Format.fprintf ppf "unknown"
| Some tz -> Format.fprintf ppf "%ds" tz
let main () =
let now = Ptime_clock.now () in
let tz_offset_s = Ptime_clock.current_tz_offset_s () in
let period = Ptime_clock.period () in
Format.printf "Clock period: %a@." pp_period period;
Format.printf " TZ offset: %a@." pp_tz tz_offset_s;
Format.printf " Now UTC : %a@." Ptime.pp now;
Format.printf " Now local: %a@." Ptime.(pp_human ?tz_offset_s ()) now;
()
let () = if !Sys.interactive then () else main ()
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