91 lines
3.3 KiB
Plaintext
91 lines
3.3 KiB
Plaintext
error[E0308]: `if` and `else` have incompatible types
|
|
--> $DIR/fn-pointer-mismatch.rs:11:43
|
|
|
|
|
LL | let g = if n % 2 == 0 { &foo } else { &bar };
|
|
| ---- ^^^^ expected `&fn(u32) -> u32 {foo}`, found `&fn(u32) -> u32 {bar}`
|
|
| |
|
|
| expected because of this
|
|
|
|
|
= note: expected reference `&fn(_) -> _ {foo}`
|
|
found reference `&fn(_) -> _ {bar}`
|
|
= note: different fn items have unique types, even if their signatures are the same
|
|
= help: consider casting both fn items to fn pointers using `as fn(u32) -> u32`
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/fn-pointer-mismatch.rs:23:9
|
|
|
|
|
LL | let mut a = foo;
|
|
| --- expected due to this value
|
|
LL | a = bar;
|
|
| ^^^ expected fn item, found a different fn item
|
|
|
|
|
= note: expected fn item `fn(_) -> _ {foo}`
|
|
found fn item `fn(_) -> _ {bar}`
|
|
= note: different fn items have unique types, even if their signatures are the same
|
|
= help: consider casting both fn items to fn pointers using `as fn(u32) -> u32`
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/fn-pointer-mismatch.rs:31:18
|
|
|
|
|
LL | b = Box::new(bar);
|
|
| -------- ^^^ expected fn item, found a different fn item
|
|
| |
|
|
| arguments to this function are incorrect
|
|
|
|
|
= note: expected fn item `fn(_) -> _ {foo}`
|
|
found fn item `fn(_) -> _ {bar}`
|
|
= note: different fn items have unique types, even if their signatures are the same
|
|
note: associated function defined here
|
|
--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
|
|
= help: consider casting both fn items to fn pointers using `as fn(u32) -> u32`
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/fn-pointer-mismatch.rs:36:29
|
|
|
|
|
LL | let c: fn(u32) -> u32 = &foo;
|
|
| -------------- ^^^^ expected fn pointer, found `&fn(u32) -> u32 {foo}`
|
|
| |
|
|
| expected due to this
|
|
|
|
|
= note: expected fn pointer `fn(_) -> _`
|
|
found reference `&fn(_) -> _ {foo}`
|
|
help: consider removing the reference
|
|
|
|
|
LL | let c: fn(u32) -> u32 = foo;
|
|
| ~~~
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/fn-pointer-mismatch.rs:42:30
|
|
|
|
|
LL | let d: &fn(u32) -> u32 = foo;
|
|
| --------------- ^^^ expected `&fn(u32) -> u32`, found fn item
|
|
| |
|
|
| expected due to this
|
|
|
|
|
= note: expected reference `&fn(_) -> _`
|
|
found fn item `fn(_) -> _ {foo}`
|
|
help: consider using a reference
|
|
|
|
|
LL | let d: &fn(u32) -> u32 = &foo;
|
|
| ~~~~
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/fn-pointer-mismatch.rs:48:30
|
|
|
|
|
LL | let e: &fn(u32) -> u32 = &foo;
|
|
| --------------- ^^^^ expected `&fn(u32) -> u32`, found `&fn(u32) -> u32 {foo}`
|
|
| |
|
|
| expected due to this
|
|
|
|
|
= note: expected reference `&fn(_) -> _`
|
|
found reference `&fn(_) -> _ {foo}`
|
|
= note: fn items are distinct from fn pointers
|
|
help: consider casting to a fn pointer
|
|
|
|
|
LL | let e: &fn(u32) -> u32 = &(foo as fn(u32) -> u32);
|
|
| ~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
error: aborting due to 6 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0308`.
|