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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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