Tue, 01 Apr 2014 23:04:22 +0200 wenzelm tuned for-comprehensions -- less structure mapping;
Tue, 01 Apr 2014 22:25:01 +0200 wenzelm some rephrasing to ensure that this becomes cheap "foreach" and not expensive "map" (cf. 0fc032898b05);
Tue, 01 Apr 2014 20:22:25 +0200 wenzelm more direct command states -- merge_results is hardly ever needed;
Tue, 01 Apr 2014 17:29:47 +0200 wenzelm unused;
Tue, 01 Apr 2014 17:26:32 +0200 wenzelm more frugal command_status, which is often used in a tight loop;
Tue, 01 Apr 2014 16:16:25 +0200 wenzelm simplified using "value class";
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