mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 00:03:43 +00:00
3016f55579
- add note and suggestion for casting both expected and found fn items to fn pointers - add note for casting expected fn item to fn pointer
29 lines
898 B
Plaintext
29 lines
898 B
Plaintext
error[E0369]: binary operation `==` cannot be applied to type `fn() {f}`
|
|
--> $DIR/fn-compare-mismatch.rs:4:15
|
|
|
|
|
LL | let x = f == g;
|
|
| - ^^ - fn() {g}
|
|
| |
|
|
| fn() {f}
|
|
|
|
|
help: use parentheses to call these
|
|
|
|
|
LL | let x = f() == g();
|
|
| ++ ++
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/fn-compare-mismatch.rs:4:18
|
|
|
|
|
LL | let x = f == g;
|
|
| ^ expected fn item, found a different fn item
|
|
|
|
|
= note: expected fn item `fn() {f}`
|
|
found fn item `fn() {g}`
|
|
= 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()`
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0308, E0369.
|
|
For more information about an error, try `rustc --explain E0308`.
|