Michael137 wrote:
> As for the syntax for alternatives, I was suggesting (privately, I think) to
> use :-, as that what
> [bash](https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html)
> uses for conditional expansion (and the formatter language feels more like
> bash than C). However, I am having some doubts about that now since the way
> you're thinking of using it is not exactly bash-like (the :- thingy only
> works for a single variable, but I think you want to mostly use it on the
> block level (and bash doesn't have blocks))
Would the syntax be `${some.variable :- fallback.variable}`? Which would try
the first and if that fails try the fallback? This would work for my use-case.
I.e., `${function.formatted-arguments :- function.arguments}`
https://github.com/llvm/llvm-project/pull/137408
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