src/Pure/Concurrent/thread_position.ML
Sat, 01 Apr 2023 21:12:44 +0200 wenzelm more compact data;
Sun, 10 Apr 2016 17:52:30 +0200 wenzelm tuned -- avoid recoding properties;
Sat, 09 Apr 2016 14:52:10 +0200 wenzelm shared thread position for physical/virtual Pure;
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