seems to work, but I do not understand the recursion at all

pevnak · pevnak · commit a1391cda3ff6 · 2021-11-21T18:05:20.000+01:00
diff --git a/docs/src/lecture_09/timer.jl b/docs/src/lecture_09/timer.jl
@@ -124,5 +124,6 @@ global const to = Calls(100)
 reset!(to)
 ctx = Context()
 overdub(ctx, foo, 1.0, 1.0)
-
+reset!(to)
+overdub(ctx, Base.Math.sin_kernel, 1.0)
 
