From 2c7063ec2fee3e0fdebacec9a218136d9fdac351 Mon Sep 17 00:00:00 2001
From: Mark McGranaghan
package main
Tickers use a similar mechanism to timers: a
channel that is sent values. Here we’ll use the
-range
builtin on the channel to iterate over
-the values as they arrive every 500ms.
select
builtin on the channel to await the
+values as they arrive every 500ms.