Indeed. I conceded in my commit message that a linter or checker (such as clang-tidy) could be used to implement some or most of what I suggested (but not the m

Indeed. I conceded in my commit message that a linter or checker (such as clang-tidy) could be used to implement some or most of what I suggested (but not the mutable/const change of course). Aside from learning more about how clang works, I wanted to show that we can (and should?) modify the language. There appears to be inertia to drop legacy at the committee level. C++ needs a Snow Leopard release to do some of what I've done here.