ppx_timer

Ppx for timer

Install

opam pin add ppx_timer https://github.com/skcho/ppx_timer.git

Example

[%timer exp] is expanded to

Timer.start_here <pos:Lexing.position>;
let v = exp in
Timer.stop ();
v

to calculate the evaluation time of exp. See test for examples.