File: tsubclassgenericerror.nim

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discard """
  errormsg: "cannot instantiate 'GenericParentType[T]' inside of type definition: 'GenericChildType'; Maybe generic arguments are missing?"
  line: 8
"""

type
  GenericParentType[T] = ref object of RootObj
  GenericChildType[T] = ref object of GenericParentType # missing the [T]
    val: T

var instance : GenericChildType[int] = nil