omochimetaru

@swift-5.5.3 -warn-implicit-overrides protocol Base { func foo() func bar() } protocol Derived: Base { func foo() override func bar() }

stderr:

<stdin>:7:10: warning: implicit override should be marked with 'override' or suppressed with '@_nonoverride' func foo() ^ override <stdin>:2:10: note: overridden declaration is here func foo() ^