As a long-time Rust programmer, I agree that the syntax is not the most readable around. That being said, string concatenation is only marginally related to sy

As a long-time Rust programmer, I agree that the syntax is not the most readable around. That being said, string concatenation is only marginally related to syntax. It's a matter of semantics, which go much deeper. There is a very good reason for which string concatenation isn't simpler in Rust.