From b4c62d5fedf155cbab57cfeead97eccc94345c71 Mon Sep 17 00:00:00 2001 From: Andreas Rumpf Date: Sun, 3 Jan 2016 23:20:53 +0100 Subject: async works again --- tests/iter/tclosureiters.nim | 73 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 tests/iter/tclosureiters.nim (limited to 'tests/iter') diff --git a/tests/iter/tclosureiters.nim b/tests/iter/tclosureiters.nim new file mode 100644 index 000000000..0eb624a8c --- /dev/null +++ b/tests/iter/tclosureiters.nim @@ -0,0 +1,73 @@ +discard """ + output: '''0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +5 5 +7 7 +9 9 +0 +0 +0 +0 +1 +2''' +""" + +when true: + proc main() = + let + lo=0 + hi=10 + + iterator itA(): int = + for x in lo..hi: + yield x + + for x in itA(): + echo x + + var y: int + + iterator itB(): int = + while y <= hi: + yield y + inc y + + y = 5 + for x in itB(): + echo x, " ", y + inc y + + main() + + +iterator infinite(): int {.closure.} = + var i = 0 + while true: + yield i + inc i + +iterator take[T](it: iterator (): T, numToTake: int): T {.closure.} = + var i = 0 + for x in it(): + if i >= numToTake: + break + yield x + inc i + +# gives wrong reasult (3 times 0) +for x in infinite.take(3): + echo x + +# does what we want +let inf = infinite +for x in inf.take(3): + echo x -- cgit 1.4.1-2-gfad0 a-pages/Solutions/week4'>log tree commit diff stats
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