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20 lines
380 B
Swift
20 lines
380 B
Swift
// RUN: not %target-swift-frontend -typecheck -verify %s
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private struct Collector {
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init() {}
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func appending(_ result: Int) -> Collector {
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return self
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}
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}
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func testing(ary: [String]) {
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let result1 = ary
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.compactMap { _ in
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result2.foo
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}
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.reduce(Collector()) { collector, result in collector.appending(result) }
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let result2 = result1 //.foobar
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}
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