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  1. writeln = function(...)
  2.     for i, v in pairs({ ... }) do
  3.         if type(v) == "table" then
  4.             local t = v
  5.             if #v == 0 then
  6.                 t = {}
  7.                 for k, v in pairs(v) do
  8.                     table.insert(t, k .. ": " .. v)
  9.                 end
  10.             end
  11.             io.write("[ " .. table.concat(t, ", ") .. " ]")
  12.         else
  13.             io.write(v)
  14.         end
  15.     end
  16.     io.write("\n")
  17. end
  18.  
  19. foo = function(...)
  20.     print("Called foo ...")
  21.     for i, arg in pairs({ ... }) do
  22.         writeln("    args[", i, "] == ", arg)
  23.     end
  24.     print("... foo end")
  25. end
  26.  
  27. local tup = { 5, 3.14, "hello world", { 5, 10, 15 }, { foo = 5, bar = 10 } }
  28. foo(unpack(tup))
  29.  
Success #stdin #stdout 0.02s 2540KB
comments (?)
stdin 
Standard input is empty
stdout 
Called foo ...
    args[1] == 5
    args[2] == 3.14
    args[3] == hello world
    args[4] == [ 5, 10, 15 ]
    args[5] == [ bar: 10, foo: 5 ]
... foo end
https://ideone.com/IQn2N
language:
Lua (luac 5.3.3)
created:
14 years ago
visibility:
public

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