exit status: 11 with stderr:
<stdin>:21:15: warning: expression implicitly coerced from 'String?' to 'Any' print(a?.a?()) ^~~~~~~ <stdin>:21:19: note: provide a default value to avoid this warning print(a?.a?()) ~~~~^~~ ?? <#default value#> <stdin>:21:19: note: force-unwrap the value to avoid this warning print(a?.a?()) ~~~~^~~ ! <stdin>:21:19: note: explicitly cast to 'Any' with 'as Any' to silence this warning print(a?.a?()) ~~~~^~~ as Any Stack dump: 0. Program arguments: /usr/bin/swift -frontend -interpret - -disable-objc-interop -I /Libraries/.build/x86_64-unknown-linux-gnu/debug -I /Libraries/.build/checkouts/SwiftBacktrace/Sources/CSwiftBacktrace/include -I /Libraries/.build/checkouts/SwiftBacktrace/Sources/Clibunwind/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOHTTPParser/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOSHA1/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOAtomics/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIODarwin/include -I /Libraries/.build/checkouts/swift-nio/Sources/CNIOLinux/include -module-cache-path /Libraries/.build/x86_64-unknown-linux-gnu/debug/ModuleCache -D DEBUG -Xcc -fmodule-map-file=/Libraries/.build/checkouts/SwiftBacktrace/Sources/CSwiftBacktrace/include/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/checkouts/SwiftBacktrace/Sources/Clibunwind/include/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux-gnu/debug/CNIOHTTPParser.build/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux-gnu/debug/CNIOSHA1.build/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux-gnu/debug/CNIOAtomics.build/module.modulemap -Xcc -fmodule-map-file=/Libraries/.build/x86_64-unknown-linux-gnu/debug/CNIODarwin.build/module.modulemap -Xcc -fmodule-m
stderr.txt
https://file.io/sG0PlMIJo8ZA