| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384 |
- discard """
- output: '''b yields
- c yields
- a returns
- b yields
- b returns
- c yields
- 1
- 2
- 3
- 4
- '''
- """
- block:
- template tloop(iter: untyped) =
- for i in iter():
- echo i
- template twhile(iter: untyped) =
- let it = iter
- while not finished(it):
- echo it()
- iterator a(): auto {.closure.} =
- if true: return "a returns"
- yield "a yields"
- iterator b(): auto {.closure.} =
- yield "b yields"
- if true: return "b returns"
- iterator c(): auto {.closure.} =
- yield "c yields"
- if true: return
- iterator d(): auto {.closure.} =
- if true: return
- yield "d yields"
- tloop(a)
- tloop(b)
- tloop(c)
- tloop(d)
- twhile(a)
- twhile(b)
- twhile(c)
- twhile(d)
- block:
- iterator a: auto =
- yield 1
- for x in a():
- echo x
- let b = iterator: int =
- yield 2
- for x in b():
- echo x
- let c = iterator: auto =
- yield 3
- for x in c():
- echo x
- block:
- iterator myIter2(): auto {.closure.} =
- yield 4
- for a in myIter2():
- echo a
- block t5859:
- proc flatIterator[T](s: openArray[T]): auto {.noSideEffect.}=
- result = iterator(): auto =
- when (T is not seq|array):
- for item in s:
- yield item
- else:
- yield 123456
- # issue #5859
- let it = flatIterator(@[@[1,2], @[3,4]])
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