Dhall looks lovely. Just enough programmability to avoid repetition, but not Turing complete so it can't evolve all the way to reading mail. Or at least, that'

Dhall looks lovely. Just enough programmability to avoid repetition, but not Turing complete so it can't evolve all the way to reading mail. Or at least, that's the promise - it's on my list of "solutions to try as soon as the problems catch up to the corresponding level".