[Swift-user] does anyone use vdlc?

[Ben Clifford]

At present there is a command bin/vdlc in the distribution that compiles 
but does not execute a workflow.

I use it in some of the regression tests (the ones in the tests/language/ 
directory).

Does anyone use it?

I'd like to simplify it (perhaps remove it) in order to remove unused 
functionality; but I do not want to remove functionality that people 
actually use.

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