Why doesn’t this block report anything?

[qw23]

Sometimes when debugging I want to be able to switch between reporting (and stopping execution of a script) vs. ignoring a result. I developed a small procedure to help me with that:

It’s really easy to toggle between report and ignore, like this:

<>

There’s only one downside … it never actually reports.
Does anyone know why?

[jens]

It's a command block, not a reporter.

[qw23]

@jens: So is , and it usually keeps its promise
(it’s a special form, isn’t it?)

Could you (or anyone) suggest an alternative solution for what I intend to accomplish?

Edit
Solved it myself:

Thanks for the insight (no irony).