With a bit of fiddeling you can use every kind of bracket to basically make function calls in c++
Here are the links to the snippets, all compile and run
Rust: https://godbolt.org/z/bM3d7bG14
In example code, yes, but in this meme specifically which is all about function call syntax, it ruins the point. E.g. every line in the C++ snippet includes parentheses.