tarunon

extension Array: Equatable where Element==Never { static func == (lhs: Array, rhs: Array) -> Bool { return true } }

Version:

swift-4.1.1-RELEASE

Output:

Error:

/usercode/main.swift:1:18: warning: conformance of 'Array<Element>' to protocol 'Equatable' was already stated in the type's module 'Swift' extension Array: Equatable where Element==Never { static func == (lhs: Array, rhs: Array) -> Bool { return true } } ^ /usercode/main.swift:1:63: note: operator function '==' will not be used to satisfy the conformance to 'Equatable' extension Array: Equatable where Element==Never { static func == (lhs: Array, rhs: Array) -> Bool { return true } } ^ Swift.Array<Element>:1:11: note: 'Array<Element>' declares conformance to protocol 'Equatable' here extension Array : Equatable where Element : Equatable { ^