• Boolean bit fields vs logical bit masking or bit shifting - C++ (2012-04-21) on StackOverflow
• Why use flags+bitmasks rather than a series of booleans? (2009-09-10) on StackOverflow
• Raymond Chen: The cost-benefit analysis of bitfields for a collection of booleans (2008-11-26) on The Old New Thing by Microsoft
  • conclusion: the cost of bitfields most likely exceed the savings if there's not too many instances