I'm not sure I'm following. Rust allows: println!("{}", if x == None { "foo" } else { "bar" }); How would unions make this more ergonomic? For example, in

I'm not sure I'm following. Rust allows: println!("{}", if x == None { "foo" } else { "bar" }); How would unions make this more ergonomic? For example, in Python (with type annotations), you would have to do: print("foo" if x == None else "bar")