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22 lines
542 B
Swift
22 lines
542 B
Swift
// RUN: %target-typecheck-verify-swift
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// https://github.com/apple/swift/issues/49940
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protocol _UnicodeParser_ {
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associatedtype Encoding: _UnicodeEncoding_
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}
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protocol _UnicodeEncoding_ {
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associatedtype CodeUnit : BinaryInteger_
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associatedtype ForwardParser : _UnicodeParser_
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where ForwardParser.Encoding == Self
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}
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protocol BinaryInteger_ {
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associatedtype Words: Collection_ where Words.Index == Int_
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}
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protocol Collection_ {
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associatedtype Index: Comparable_
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}
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protocol Comparable_ {}
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struct Int_: Comparable_ {}
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