Martti Kühne, 22 April 2014 <mysat...@gmail.com>: > On Sun, Apr 20, 2014 at 9:24 PM, Rob <robpill...@gmail.com> wrote: >> Into the bikeshed I go... >> >> LEN(a + 2) doesn't mean anything anyway, as a's type decays. >> >> To do it properly there should be some kind of static assert in the >> macro that the argument is of array type. But this is a small code base >> and you'd expect that the code would be run and checked before >> committing, which renders the assert pretty useless. >> >> I think it's fine as it is, in the original C way of doing things, >> garbage in, garbage out, undefined behaviour etc etc. >> >> Rob >> > > > I may remind you there is the case where people make struct > concatenations, just because they can. Arrays of concatenated structs. > The cases where you don't even care when the preprocessor will append > a pointer or a size_t to your type. You don't even want to know. > > So, no, the parentheses are not just needed for style. > > Which we require therefore.
I'm not sure I follow? struct A bunch[10]; LEN(bunch) ? Can you give an example? Rob
