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wren/test/fiber/closure.wren
T

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var fiber
var closure
{
var a = "before"
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fiber = new Fiber {
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IO.print(a)
Fiber.yield
a = "after"
Fiber.yield
IO.print(a)
a = "final"
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}
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closure = new Fn {
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IO.print(a)
}
}
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fiber.call // expect: before
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closure.call // expect: before
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fiber.call
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closure.call // expect: after
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fiber.call // expect: after
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closure.call // expect: final