tests/effects/teffects1.nim


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discard """
  file: "system.nim"
  errormsg: "can raise an unlisted exception: ref IOError"
"""

type
  TObj = object {.pure, inheritable.}
  TObjB = object of TObj
    a, b, c: string
  
  IO2Error = ref object of IOError
  
proc forw: int {. .}
  
proc lier(): int {.raises: [IO2Error].} =
  writeln stdout, "arg"

proc forw: int =
  raise newException(IOError, "arg")