error[E0369]: binary operation `>` cannot be applied to type `fn() -> i32 {foo}` --> $DIR/issue-59488.rs:14:9 | LL | foo > 12; | --- ^ -- {integer} | | | fn() -> i32 {foo} | help: use parentheses to call this function | LL | foo() > 12; | ++ error[E0308]: mismatched types --> $DIR/issue-59488.rs:14:11 | LL | foo > 12; | ^^ expected fn item, found `i32` | = note: expected fn item `fn() -> i32 {foo}` found type `i32` error[E0369]: binary operation `>` cannot be applied to type `fn(i64) -> i64 {bar}` --> $DIR/issue-59488.rs:18:9 | LL | bar > 13; | --- ^ -- {integer} | | | fn(i64) -> i64 {bar} | help: use parentheses to call this function | LL | bar(/* i64 */) > 13; | +++++++++++ error[E0308]: mismatched types --> $DIR/issue-59488.rs:18:11 | LL | bar > 13; | ^^ expected fn item, found `i64` | = note: expected fn item `fn(i64) -> i64 {bar}` found type `i64` error[E0369]: binary operation `>` cannot be applied to type `fn() -> i32 {foo}` --> $DIR/issue-59488.rs:22:9 | LL | foo > foo; | --- ^ --- fn() -> i32 {foo} | | | fn() -> i32 {foo} | help: use parentheses to call these | LL | foo() > foo(); | ++ ++ error[E0369]: binary operation `>` cannot be applied to type `fn() -> i32 {foo}` --> $DIR/issue-59488.rs:25:9 | LL | foo > bar; | --- ^ --- fn(i64) -> i64 {bar} | | | fn() -> i32 {foo} error[E0308]: mismatched types --> $DIR/issue-59488.rs:25:11 | LL | foo > bar; | ^^^ expected fn item, found a different fn item | = note: expected fn item `fn() -> i32 {foo}` found fn item `fn(i64) -> i64 {bar}` error[E0369]: binary operation `==` cannot be applied to type `fn(usize) -> Foo {Foo::Bar}` --> $DIR/issue-59488.rs:30:5 | LL | assert_eq!(Foo::Bar, i); | ^^^^^^^^^^^^^^^^^^^^^^^ | | | fn(usize) -> Foo {Foo::Bar} | fn(usize) -> Foo {Foo::Bar} | = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: `fn(usize) -> Foo {Foo::Bar}` doesn't implement `Debug` --> $DIR/issue-59488.rs:30:5 | LL | assert_eq!(Foo::Bar, i); | ^^^^^^^^^^^^^^^^^^^^^^^ `fn(usize) -> Foo {Foo::Bar}` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = help: the trait `Debug` is not implemented for fn item `fn(usize) -> Foo {Foo::Bar}` = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: `fn(usize) -> Foo {Foo::Bar}` doesn't implement `Debug` --> $DIR/issue-59488.rs:30:5 | LL | assert_eq!(Foo::Bar, i); | ^^^^^^^^^^^^^^^^^^^^^^^ `fn(usize) -> Foo {Foo::Bar}` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = help: the trait `Debug` is not implemented for fn item `fn(usize) -> Foo {Foo::Bar}` = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 10 previous errors Some errors have detailed explanations: E0277, E0308, E0369. For more information about an error, try `rustc --explain E0277`.