Metronome: Difference between revisions

=={{header|Nim}}==

Textual version only.

<lang Nim>import os

proc metronome(tempo, pattern: Positive) =

let delay = 60_000 div tempo # In milliseconds.

var beats = 0

while true:

stdout.write if beats mod pattern == 0: "\nTICK" else: " tick"

stdout.flushFile

inc beats

sleep(delay)

metronome(72, 4)</lang>