Hello, I notice that EnumSet and EnumMap don't override any of the default methods that were added to collections in Java 8. Were they specifically considered then avoided during the Java 8 upgrades, or was it simply that no one got around to optimizing them? Are there existing issues/bugs for optimizing them? I couldn't find any.
As one example: I suspect that EnumMap.forEach(action) could improve a lot. Right now it looks like iterating over keySet() and calling get(key) is faster than forEach(action) when it comes to EnumMap (unlike every other Map implementation I tested). -Michael
