error[E0061]: this enum variant takes 1 argument but 0 arguments were supplied
  --> $DIR/missing-unit-argument.rs:11:33
   |
LL |     let _: Result<(), String> = Ok();
   |                                 ^^-- an argument of type `()` is missing
   |
note: tuple variant defined here
  --> $SRC_DIR/core/src/result.rs:LL:COL
   |
LL |     Ok(#[stable(feature = "rust1", since = "1.0.0")] T),
   |     ^^
help: provide the argument
   |
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 |     foo();
   |     ^^^-- two arguments of type `()` and `()` are missing
   |
note: function defined here
  --> $DIR/missing-unit-argument.rs:1:4
   |
LL | fn foo(():(), ():()) {}
   |    ^^^ -----  -----
help: provide the arguments
   |
LL |     foo((), ());
   |        ~~~~~~~~

error[E0061]: this function takes 2 arguments but 1 argument was supplied
  --> $DIR/missing-unit-argument.rs:13:5
   |
LL |     foo(());
   |     ^^^---- an argument of type `()` is missing
   |
note: function defined here
  --> $DIR/missing-unit-argument.rs:1:4
   |
LL | fn foo(():(), ():()) {}
   |    ^^^ -----  -----
help: provide the argument
   |
LL |     foo((), ());
   |        ~~~~~~~~

error[E0061]: this function takes 1 argument but 0 arguments were supplied
  --> $DIR/missing-unit-argument.rs:14:5
   |
LL |     bar();
   |     ^^^-- an argument of type `()` is missing
   |
note: function defined here
  --> $DIR/missing-unit-argument.rs:2:4
   |
LL | fn bar(():()) {}
   |    ^^^ -----
help: provide the argument
   |
LL |     bar(());
   |        ~~~~

error[E0061]: this function takes 1 argument but 0 arguments were supplied
  --> $DIR/missing-unit-argument.rs:15:7
   |
LL |     S.baz();
   |       ^^^-- an argument of type `()` is missing
   |
note: associated function defined here
  --> $DIR/missing-unit-argument.rs:6:8
   |
LL |     fn baz(self, (): ()) { }
   |        ^^^       ------
help: provide the argument
   |
LL |     S.baz(());
   |          ~~~~

error[E0061]: this function takes 1 argument but 0 arguments were supplied
  --> $DIR/missing-unit-argument.rs:16:7
   |
LL |     S.generic::<()>();
   |       ^^^^^^^^^^^^^-- an argument of type `()` is missing
   |
note: associated function defined here
  --> $DIR/missing-unit-argument.rs:7:8
   |
LL |     fn generic<T>(self, _: T) { }
   |        ^^^^^^^          ----
help: provide the argument
   |
LL |     S.generic::<()>(());
   |                    ~~~~

error: aborting due to 6 previous errors

For more information about this error, try `rustc --explain E0061`.