error[E0615]: attempted to take value of method `abs` on type `i32` --> $DIR/implicit-method-bind.rs:2:20 | LL | let _f = 10i32.abs; | ^^^ method, not a field | help: use parentheses to call the method | LL | let _f = 10i32.abs(); | ^^ error: aborting due to previous error For more information about this error, try `rustc --explain E0615`.