Last Tuesday I took a closer look at the Concept TS. This followed a discussion about the power and usefulness of concepts regarding a replacement for TMP (shout-out to @irrequietus and @Manu343726). So after compiling the GCC trunk that has concept support, I’ve specifically looked in a way to use concepts alone for doing arbitrary calculations. Attention: This is completely pointless. You’ve been warned. For that, I tried to implement a Prime_number concept that checks whether a given n...