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error[E0308]: mismatched types
--> $DIR/issue-10764.rs:4:15
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LL | fn main() { f(bar) }
| - ^^^ expected "Rust" fn, found "C" fn
| |
| arguments to this function are incorrect
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= note: expected fn pointer `fn()`
found fn item `extern "C" fn() {bar}`
= note: when the arguments and return types match, functions can be coerced to function pointers
note: function defined here
--> $DIR/issue-10764.rs:1:4
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LL | fn f(_: extern "Rust" fn()) {}
| ^ ---------------------
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.
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