error[E0615]: attempted to take value of method `abs` on type `i32` --> $DIR/implicit-method-bind.rs:12:20 | LL | let _f = 10i32.abs; //~ ERROR attempted to take value of method | ^^^ | = help: maybe a `()` to call it is missing? error: aborting due to previous error For more information about this error, try `rustc --explain E0615`.