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// RUN: %target-typecheck-verify-swift -verify-ignore-unknown
// Simple enums with all Codable parameters whose CodingKeys come from a
// typealias should get derived conformance to Codable.
enum SimpleEnum : Codable {
// expected-error@-1 {{type 'SimpleEnum' does not conform to protocol 'Decodable'}}
// expected-error@-2 {{type 'SimpleEnum' does not conform to protocol 'Encodable'}}
case x(x: Int)
case x(x: Int, y: String)
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'SimpleEnum' has duplicate case name 'x'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'SimpleEnum' has duplicate case name 'x'}}
case y(x: Int)
case z(x: Int)
case z(x: Int, y: String)
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'SimpleEnum' has duplicate case name 'z'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'SimpleEnum' has duplicate case name 'z'}}
case z(x: Int, y: String, z: Bool)
// expected-note@-1 {{cannot automatically synthesize 'Decodable' because 'SimpleEnum' has duplicate case name 'z'}}
// expected-note@-2 {{cannot automatically synthesize 'Encodable' because 'SimpleEnum' has duplicate case name 'z'}}
}
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