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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
28 lines
898 B
Text
28 lines
898 B
Text
error[E0369]: binary operation `==` cannot be applied to type `fn() {f}`
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--> $DIR/fn-compare-mismatch.rs:4:15
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LL | let x = f == g;
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| - ^^ - fn() {g}
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| fn() {f}
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help: use parentheses to call these
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LL | let x = f() == g();
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| ++ ++
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error[E0308]: mismatched types
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--> $DIR/fn-compare-mismatch.rs:4:18
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LL | let x = f == g;
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| ^ expected fn item, found a different fn item
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= note: expected fn item `fn() {f}`
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found fn item `fn() {g}`
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= note: different fn items have unique types, even if their signatures are the same
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= help: consider casting both fn items to fn pointers using `as fn()`
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0308, E0369.
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For more information about an error, try `rustc --explain E0308`.
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