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> Are there other languages than rust that supports it?

I'm no expert on the terminology, but C++ templates can take values as template arguments (I think this is what is called "const generics" in Rust), and languages such as Julia are even more powerful.

> Are there other languages than rust that supports it?

Const generics are essentially a really small subset of fully dependent types, which are implemented in Idris 2 and other research languages.

Unless you mean strictly generics, D has had the ability to do this and a lot more (e.g. accept user defined types as parameters) since at least 2014 or so

C++ has supported non-type template parameters for a very long time now. Since C++ 20, it also supports class literals to be used as non-type template parameters