The difficulties of acting "as one" , as we now see again over the Middle East, are giving rise to smaller ad-hoc coalitions of countries forming for mutual convenience around different issues: joint defence procurement projects such as the recent UK-Norway Defence Pact to track Russian submarines in the north Atlantic, or the Coalition of the Willing for Ukraine, led by the UK and France, for example.
But mapv is a higher-order function. It receives alength as a generic IFn object and calls invoke() on it for every item. This means that:
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Code dump for 2.16
doesn’t, your incremental engine likely will spend some CPU time or