C++ Modules Might Be Dead-On-Arrival

In this respect, C++ would be best to mimic Python’s implementation: When a new statement is encountered, Python will first find a source file corresponding to that module, and then look for a pre-compiled version in a deterministic fashion. People outside of SG15 have been keen to shoot down discussion on the issues with module toolability, claiming that SG15 does not have the necessary implementation experience to make useful statements regarding modules. People backing the current modules design have not proven that modules work at scale, yet also demand proof from SG15 that they do not work at scale.

Source: vector-of-bool.github.io