Sure, I/O in Rust is a little easier because it's not wrapped up in an abstract type, but in exchange, Rust needs Try, async/.await and const-fn to solve just a

Sure, I/O in Rust is a little easier because it's not wrapped up in an abstract type, but in exchange, Rust needs Try, async/.await and const-fn to solve just a few of the issues that monads solve in more generality. I don't think either choice is a kludge, it's just a bunch of trade-offs.