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> if a < b then return 10 else return 25 end
> but some are more comfortable with other, more terse forms that are not
> currently supported in Lua.

and indeed (if a<b then 5 else 4) allows if...thens to be expressions rather
than statements. So you could then imagine writing c = if a <b then 5 else 4
...ooh, we're nearly at functional programming. However, it's not at all
obvious this is a good thing to do to Lua, for all sorts of reasons.

-- | competent, a.  underpromoted