Quora: Why hasn't D started to replace C++?

[Walter Bright]

On 2/11/2018 2:16 AM, Russel Winder wrote:
> Confirmatory evidence is that Rust does the same thing.

D has an outsized influence that extends way beyond just D users :-)

Consider all the D features that somehow were "completely independently" 
discovered years later by C++!

Even little ones like char16_t, char32_t, and being able to separate digits with 
single quotes, and larger ones like static if and ranges.