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Rust Any part 3: we have upcasts
Some good news is coming in Rust 1.86
Three years ago I shared the As-Any Hack on this blog. So while you could call DebugAny methods just fine, trying to use downcast_ref from Any(the reason to use Any in the first place) would fail: At the time of writing, this fix is in the beta channel, but stable release is just around the corner.
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