discard """
  matrix: "--mm:refc; --mm:orc"
  targets: "c cpp"
"""

import atomics

type
  Pledge* {.exportc.} = object
    p: PledgePtr

  PledgeKind {.exportc.} = enum
    Single
    Iteration

  PledgePtr {.exportc.} = ptr object
    case kind: PledgeKind
    of Single:
      impl: PledgeImpl
    of Iteration:
      discard

  PledgeImpl {.exportc.} = object
    fulfilled: Atomic[bool]

var x: Pledge
when defined(gcRefc):
  doAssert x.repr == "[p = nil]"
elif not defined(cpp): # fixme # bug #20081
  doAssert x.repr == "Pledge(p: nil)"