[omochi@omochi-iMac swift-operator-isolation-verify (master *%=)]$ swift run Compile Swift Module 'app' (4 sources) /Users/omochi/github/omochi/swift-operator-isolation-verify/Sources/app/module2.swift:4:10: error: ambiguous operator declarations found for operator print(1 => 2 + 3) ^ <unknown>:0: note: found this matching operator declaration <unknown>:0: note: found this matching operator declaration /Users/omochi/github/omochi/swift-operator-isolation-verify/Sources/app/module2.swift:4:10: error: operator is not a known binary operator print(1 => 2 + 3) ^ /Users/omochi/github/omochi/swift-operator-isolation-verify/Sources/app/module2.swift:4:10: error: ambiguous use of operator '=>' print(1 => 2 + 3) ^ Animal.=>:1:13: note: found this candidate public func =>(a: Int, b: Int) -> Int ^ Material.=>:1:13: note: found this candidate public func =>(a: Int, b: Int) -> Int ^ error: terminated(1): /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-build-tool -f /Users/omochi/github/omochi/swift-operator-isolation-verify/.build/debug.yaml app.exe