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- discard """
- output: "0false12"
- """
- # Test multiple generic instantiation of generic proc vars:
- proc threadProcWrapper[TMsg]() =
- var x: TMsg
- stdout.write($x)
- #var x = threadProcWrapper[int]
- #x()
- #var y = threadProcWrapper[bool]
- #y()
- threadProcWrapper[int]()
- threadProcWrapper[bool]()
- type
- TFilterProc[T,D] = proc (item: T, env:D): bool {.nimcall.}
- proc filter[T,D](data: seq[T], env:D, pred: TFilterProc[T,D]): seq[T] =
- result = @[]
- for e in data:
- if pred(e, env): result.add(e)
- proc predTest(item: int, value: int): bool =
- return item <= value
- proc test(data: seq[int], value: int): seq[int] =
- return filter(data, value, predTest)
- for x in items(test(@[1,2,3], 2)):
- stdout.write(x)
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