RFR(s): 8156079: make empty instances singletons (original) (raw)
Alan Bateman Alan.Bateman at oracle.com
Fri Nov 4 15:43:43 UTC 2016
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On 04/11/2016 02:08, Stuart Marks wrote:
Hi all,
Please review this small set of changes to the immutable collections to make the zero-size instances singletons. (JDK-8156079) This also includes a couple other small optimizations (JDK-8169222) to change the expansion factor from floating point to integer, and also to avoid creating a single-use Random instance to compute the hash salt value at startup. Webrev: http://cr.openjdk.java.net/~smarks/reviews/8156079/webrev.0/ This looks good (I find myself using these a lot lately, really nice to use).
-Alan
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