On Saturday, 8 April 2017 at 09:53:47 UTC, biocyberman wrote:
What is the D mixin version equivalent to this macro:
#define kroundup32(x) (--(x), (x)|=(x)>>1, (x)|=(x)>>2,
(x)|=(x)>>4, (x)|=(x)>>8, (x)|=(x)>>16, ++(x))
The macro looks cryptic. What the macro does has been explained
here:
http://stackoverflow.com/questions/3384852/could-someone-help-explain-what-this-c-one-liner-does
But I still don't know how to convert that to D mixin. I would
like 'mixin' instead of a function is to avoid function call
overhead. Also because it is short, so I think a mixin is
enough, not a 'template mixin'.
I would expect if you implement it as a function the compiler
will inline it. You can always use the pragma(inline, true) [1]
with -inline to verify.
[1] https://dlang.org/spec/pragma.html#inline
