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On 22/08/2019 13:25, 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?

Would this help?

Whole thread might be of interest: