How can I detect an empty block (in multiplatform common code)? If I don't pass a click handler into...

# getting-started

[MarkRS]

How can I detect an empty block (in multiplatform common code)?
If I don't pass a click handler into a compose function I don't want it to show the icon that would be clicked if it had a handler.
So how do I detect the empty block?

[Joffrey]

If I don't pass a click handler into a compose function

If you need to represent the absence of handler, you should probably make it nullable with null default value, instead of using a noop empty block as default.

[Niraj Patidar]

You can do something like these

example.kt