https://docs.swift.org/swift-book/documentation/the-swift-programming-language/guidedtour/ - guided tour swift
https://www.douggregor.net/ - swift for c++ practitioners - looks good
https://apple.github.io/swift-log/docs/current/Logging/Protocols/LogHandler.html - LogHandler
https://www.coffeebreakcoder.com/swift-on-the-windows-subsystem-for-linux/ - swift in wsl
https://theswiftdev.com/logging-for-beginners-in-swift/ - swiftlog for beginers https://opentelemetry.io/docs/specs/otel/logs/event-api/ - learn about events and how they are different from logs
https://github.com/apple/swift-log/blob/1.4.2/Sources/Logging/LogHandler.swift#L116-L164 - M https://nshipster.com/swift-log/ - good swift logging info
what is subscript - did not understand
Exploring enums in swift https://medium.com/@afsalkp.mohammed/exploring-enumerations-in-swift-a-comprehensive-guide-50bde54433c2
https://github.com/1711-Games/LGN-Log/blob/main/Sources/LGNLog/LGNLog.swift - custom log handler example
https://gitlab.com/onetapaway-opensource/swift/sumologhandler/-/blob/main/Sources/SumoLogHandler/SumoLogHandler.swift?ref_type=heads - custom log handler example 2
https://github.com/apple/swift-log/blob/1.4.2/Sources/Logging/Logging.swift#L516 - metadata by apple swift