> if I have an array with numbers and strings it will implicitly decide based on the type of $a and $b which comparison to apply?
It will decide for you if you don't explicitly direct it to do otherwise. By default, given a number and a string to compare, it will coerce the number to a string. But if both elements being compared are numbers it will compare them numerically. If you want to sort all numbers as strings, you must say so, eg by passing `~*` as the comparator.
> I'm not sure if \sorting by codepoint is\ sufficient to handle different standards. E.g. the telephone book in Germany has another sorting than the dictionaries.
Use https://docs.raku.org/routine/collate instead of `sort`.
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