Command line parsing with Scala dynamic and macros

In our developer meeting this week, we talked about using the Scala features of “dynamic” and macros to┬ásimplify code for command-line parsing.

The problem we were trying to solve is a recent project in which we have lots of separate command-line apps, with a lot of overlap between their arguments, but with a need for app-specific arguments and to apply different default parameters to each app.

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