error[E0061]: this function takes 1 argument but 0 arguments were supplied --> $DIR/missing-unit-argument.rs:11:33 | LL | let _: Result<(), String> = Ok(); | ^^-- supplied 0 arguments | help: expected the unit value `()`; create it with empty parentheses | LL | let _: Result<(), String> = Ok(()); | ^^ error[E0061]: this function takes 2 arguments but 0 arguments were supplied --> $DIR/missing-unit-argument.rs:12:5 | LL | fn foo(():(), ():()) {} | -------------------- defined here ... LL | foo(); | ^^^-- supplied 0 arguments | | | expected 2 arguments error[E0061]: this function takes 2 arguments but 1 argument was supplied --> $DIR/missing-unit-argument.rs:13:5 | LL | fn foo(():(), ():()) {} | -------------------- defined here ... LL | foo(()); | ^^^ -- supplied 1 argument | | | expected 2 arguments error[E0061]: this function takes 1 argument but 0 arguments were supplied --> $DIR/missing-unit-argument.rs:14:5 | LL | fn bar(():()) {} | ------------- defined here ... LL | bar(); | ^^^-- supplied 0 arguments | help: expected the unit value `()`; create it with empty parentheses | LL | bar(()); | ^^ error[E0061]: this function takes 1 argument but 0 arguments were supplied --> $DIR/missing-unit-argument.rs:15:7 | LL | fn baz(self, (): ()) { } | -------------------- defined here ... LL | S.baz(); | ^^^- supplied 0 arguments | help: expected the unit value `()`; create it with empty parentheses | LL | S.baz(()); | ^^ error[E0061]: this function takes 1 argument but 0 arguments were supplied --> $DIR/missing-unit-argument.rs:16:7 | LL | fn generic(self, _: T) { } | ------------------------- defined here ... LL | S.generic::<()>(); | ^^^^^^^------ supplied 0 arguments | help: expected the unit value `()`; create it with empty parentheses | LL | S.generic::<()>(()); | ^^ error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0061`.