Array shapes are still second-class citizens defined in phpdoc, with an inferior editor UX, and lack of any run-time enforcement. A proper record type for PHP with value semantics would be an ideal solution for me. Would go nicely with the pattern matching proposal that's still incubating.
replyIf there is one thing I love about Clojure and Common Lisp, it’s that you’re not supposed to care about the shape of a complex data if it’s external to the module. What really matters are the functions that are exported and their signature. Anything that’s not standard in the library should be used as an opaque blob. And something like CLOS is about making this easier to define.
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