ggag.nim

import macros

macro unpack(x: typed, len: static[int]): untyped =
  result = newTree(nnkPar)
  for ind in 0..<len:
    result.add quote do:
      `x`[`ind`]

let a = @[1, 2, 3, 4]
let (var1, var2, var3) = a.unpack(3)
echo var1, var2, var3

let c = "hello"
let (ca, cb, cc) = c.unpack(3)
echo ca, cb, cc