I dun a DIP, possibly the best DIP ever

[jmh530]

On Monday, 27 April 2020 at 12:08:11 UTC, Atila Neves wrote:
> [snip]
>
> ETs are very much alive in C++. Both Eigen and Boost.Spirit are 
> popular libraries, and this despite the colossal hit to 
> compile-times.

Eigen is also a dependency in a number of other libraries. When 
people really need extra performance, they will tolerate longer 
compile-times until they have a better solution. The error 
messages are not fun.