A simple currency converter library using the XML data from pixyzehn/getexpenses.app (originally from European Central Bank). The library has been created and used for Expenses.app. It fetches the latest foreign exchange reference rates and returns the objects in a simple way.
swift package --allow-writing-to-directory ./docs \
generate-documentation --target CurrencyConverter --output-path ./docs \
--transform-for-static-hosting --hosting-base-path currency-converter
swift package --disable-sandbox preview-documentation --product CurrencyConverter
See also apple/swift-docc-plugin for more information.