Alpha0.nim0

## My first Nim0 program: print integer squares in range 0 ... 10.

var
  i: int
  r: int

proc sqr(x: int; sqrX: var int) =
  # Square the value of `x` and return it in `sqrX`.
  sqrX = x * x

for i in 0 .. 10:
  sqr(i, r)
  write(i)
  write('*')
  write(i)
  write('=')
  write(r)
  writeLine()