dbj( org ); - Software Hardware Architecture

2018/09/132018/09/15

C++ How to make unwanted code visible but non-existent

C++ How to make unwanted code visible but non-existent? Huh, what is “non-existent”? That is: it is compiled into zero bytes. It is non-existent in the resulting executable.

Ok, but, you might want it back sometime in the near future? Well, that is simple, say you, there is this well known, mature and universally used macro that does make unused code “get out of the way”

// de-facto standard #define UNUSED(x) (void)x

If this macro makes you ask questions please read on, otherwise, leave in peace. Continue reading “C++ How to make unwanted code visible but non-existent”

2018/09/042018/09/05

Never underestimate Generic Lambda in Modern C++

This is an update of my previous post. With a moral to the story too. I might hope some C++ beginner might learn something useful here too.

[On-line source code is here]

Having my usual morning workout in the brain gym called cppreference.com, I noticed a comment inside the example snippet on the page about std::apply

Continue reading “Never underestimate Generic Lambda in Modern C++”

2018/08/192018/08/22

c++ Reduce compound to base type

You are advancing. Things are becoming clearer and clearer. By now you feel confident enough to tackle head on the c++ meta-programing, perhaps? Compile time shenanigans and the rest. Continue reading “c++ Reduce compound to base type”