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On Thu, Aug 22, 2019 at 8:25 AM Chris Smith <> wrote:
> I’m using Lua for configuration.  That means I need to validate entries for correctness, provide default values and warning messages where necessary, as well as ensuring my code doesn’t blow up when trying to access a non-existent structure.  I’m finding my code becoming bloated with largely boiler-plate safety code, particularly when accessing entries that are nested a few levels deep.
> Is there a nice, idiomatic way of handling this?

I'm not sure how idiomatic this is, but here's something I wrote up a
few years ago: