There are important differences: D threw away one of the most important features of C/C++ (for the target audience): usability of the language without a garbage collector.
Also, Mozilla has much deeper pockets than Digital Mars.
Still I agree with you that it is very likely that Rust will follow a parabolic trajectory. The advantages as perceived by the industry compared with C++11/14 will be too few. At the same time it does not have the ecosystem.
Go succeeded because of Google's deep pockets and, perhaps more importantly, because it filled a large niche that even the authors did not anticipate: a faster language for Python and Ruby aficionados.
Also, Mozilla has much deeper pockets than Digital Mars.
Still I agree with you that it is very likely that Rust will follow a parabolic trajectory. The advantages as perceived by the industry compared with C++11/14 will be too few. At the same time it does not have the ecosystem.
Go succeeded because of Google's deep pockets and, perhaps more importantly, because it filled a large niche that even the authors did not anticipate: a faster language for Python and Ruby aficionados.