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On 09/08/2017 08:03 AM, Dirk Laurie wrote:
> Almost that: I called something like
> append(t, myfunc(...))
> where myfunc has nice explicit return statements returning one value,
> except when none of them has been hit, so that at the end of the function
> it returns nothing.

You may call "table.insert(t, (myfunc(...)))" with same results.

  Lua 5.3.4  Copyright (C) 1994-2017, PUC-Rio
  > f = function() return end
  > g = function() return nil end
  > f()
  > g()
  > (f())
  > t = {}
  > table.insert(t, f())
  stdin:1: wrong number of arguments to 'insert'
  stack traceback:
    [C]: in function 'table.insert'
    stdin:1: in main chunk
    [C]: in ?
  > table.insert(t, (f()))

-- Martin