path: root/tests/notnil/tmust_compile.nim

discard """
  output: '''success'''
"""

# bug #6682

type
    Fields = enum
        A=1, B, C

    Obj = object
        fld: array[Fields, int]

    AsGeneric[T] = array[Fields, T]
    Obj2[T] = object
      fld: AsGeneric[T]

var a: Obj # this works

var arr: array[Fields, int]

var b = Obj() # this doesn't (also doesn't works with additional fields)

var z = Obj2[int]()

echo "success"

# bug #6555

import tables

type
  TaskOrNil = ref object
  Task = TaskOrNil not nil

let table = newTable[string, Task]()
table.del("task")

# bug #6121

import json

type

  foo = object
    thing: string not nil

  CTS = ref object
    subs_by_sid: Table[int, foo]


proc parse(cts: CTS, jn: JsonNode) =

  let ces = foo(
    thing: jn.getStr("thing")
  )

  cts.subs_by_sid[0] = ces


# bug #6489

proc p(x: proc(){.closure.} not nil) = discard
p(proc(){.closure.} = discard)

# bug #3993

type
  List[T] = seq[T] not nil

proc `^^`[T](v: T, lst: List[T]): List[T] =
  result = @[v]
  result.add(lst)

proc Nil[T](): List[T] = @[]

when isMainModule:
  let lst = 1 ^^ 2 ^^ Nil[int]()