Is it valid to use subdir_done() in expressions?

[tmuehlbacher-bnr]

So when you have the following code

if not get_option('xyz')
    subdir_done()
endif

Is it valid to simplify this code in either of these two ways? (Both seem to
work, but I am not sure if using it in an expression is bending the language
spec in some way.)

get_option('xyz') or subdir_done()

get_option('xyz') ? true : subdir_done()

[bonzini]

I have never seen it in the wild but I think it's unlikely that it would be removed from the language.

[tmuehlbacher-bnr]

I searched for it as well on github but didn't find any instance of or subdir_done() in a meson.build file. Thanks! I think it might be quite nice to use in some instances.

[bonzini]

More in general, Meson doesn't distinguish statements and expressions (e.g. a line true or 2 is pointless but valid) and that is what might be used unwittingly in the wild and unlikely to be removed. If that happened, however, or subdir_done() would be removed too.

[tmuehlbacher-bnr]

Alright, here is some potential in the wild use then :)
fwupd/fwupd#9046