"you don't need to know about the implementation" twitter.com/richardstartin
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Seems this was a regression caused by the complexity of Compact Strings which has been fixed for a while now.
bugs.openjdk.java.net/browse/JDK-817
Maybe one day Java will get proper strings instead of pretending that their UCS2 strings are UTF-16 and that UTF-16 is actually a good idea.
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Java just ossified around all the worst ideas of the 90s so I wouldn't count on it.
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I'm optimistic JavaScript will get proper strings because WebAssembly is UTF-8 focused and they're making good decisions about how interoperability works with JavaScript despite it upsetting people invested in UCS2.
Python switched from UCS2 to UCS4 which was a dumb decision...
Python took that same multiple string representation approach and browsers did the same for JavaScript. The strings are always fixed size units in Java / JavaScript / Python and they bloat themselves up to a larger unit if you add a single character from the range requiring it.
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That's so obviously a bad approach and buys you nothing of value. It's so baffling to me that everyone bought into the idea that "indexing nth character" was a meaningful operation for strings and designed everything (badly) around that.
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