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
As a computational physicist, I appreciate operator overloading IF used properly.
Example of a good use: + for matrix addition
Example of a bad use: left shift operator << as a pipe
I still don't understand who's in the C++ committee that they would choose this garbage over a function