1 error[E0615]: attempted to take value of method `speak` on type `Cat`
2 --> $DIR/assign-to-method.rs:22:10
4 LL | nyan.speak = || println!("meow");
5 | ^^^^^ method, not a field
7 = help: methods are immutable and cannot be assigned to
9 error[E0615]: attempted to take value of method `speak` on type `Cat`
10 --> $DIR/assign-to-method.rs:23:10
12 LL | nyan.speak += || println!("meow");
13 | ^^^^^ method, not a field
15 = help: methods are immutable and cannot be assigned to
17 error: aborting due to 2 previous errors
19 For more information about this error, try `rustc --explain E0615`.