1 files changed, 0 insertions, 81 deletions
diff --git a/tests/iter/tchainediterators2.nim b/tests/iter/tchainediterators2.nim
deleted file mode 100644
index c2e5e6170..000000000
--- a/tests/iter/tchainediterators2.nim
+++ /dev/null
@@ -1,81 +0,0 @@
-discard """
-  output: '''start
-false
-0
-1
-2
-end
-@[2, 4, 6, 8, 10]
-@[4, 8, 12, 16, 20]'''
-"""
-
-# bug #3837
-
-proc iter1(): (iterator: int) =
-  let coll = [0,1,2]
-  result = iterator: int {.closure.} =
-    for i in coll:
-      yield i
-
-proc iter2(it: (iterator: int)): (iterator: int)  =
-  result = iterator: int {.closure.} =
-    echo finished(it)
-    for i in it():
-      yield i
-
-echo "start"
-let myiter1 = iter1()
-let myiter2 = iter2(myiter1)
-for i in myiter2():
-  echo i
-echo "end"
-# start
-# false
-# end
-
-
-from sequtils import toSeq
-
-type Iterable*[T] = (iterator: T) | Slice[T]
-  ## Everything that can be iterated over, iterators and slices so far.
-
-proc toIter*[T](s: Slice[T]): iterator: T =
-  ## Iterate over a slice.
-  iterator it: T {.closure.} =
-    for x in s.a..s.b:
-      yield x
-  return it
-
-proc toIter*[T](i: iterator: T): iterator: T =
-  ## Nop
-  i
-
-iterator map*[T,S](i: Iterable[T], f: proc(x: T): S): S =
-  let i = toIter(i)
-  for x in i():
-    yield f(x)
-
-proc filter*[T](i: Iterable[T], f: proc(x: T): bool): iterator: T =
-  ## Iterates through an iterator and yields every item that fulfills the
-  ## predicate `f`.
-  ##
-  ## .. code-block:: nim
-  ##   for x in filter(1..11, proc(x): bool = x mod 2 == 0):
-  ##     echo x
-  let i = toIter(i)
-  iterator it: T {.closure.} =
-    for x in i():
-      if f(x):
-        yield x
-  result = it
-
-iterator filter*[T](i: Iterable[T], f: proc(x: T): bool): T =
-  let i = toIter(i)
-  for x in i():
-    if f(x):
-      yield x
-
-var it = toSeq(filter(2..10, proc(x: int): bool = x mod 2 == 0))
-echo it # @[2, 4, 6, 8, 10]
-it = toSeq(map(filter(2..10, proc(x: int): bool = x mod 2 == 0), proc(x: int): int = x * 2))
-echo it # Expected output: @[4, 8, 12, 16, 20], Actual output: @[]