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20 lines
781 B
Plaintext
20 lines
781 B
Plaintext
error[E0308]: mismatched types
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--> $DIR/issue-51154.rs:2:30
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LL | fn foo<F: FnMut()>() {
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| - expected this type parameter
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LL | let _: Box<F> = Box::new(|| ());
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| -------- ^^^^^ expected type parameter `F`, found closure
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| arguments to this function are incorrect
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= note: expected type parameter `F`
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found closure `{closure@$DIR/issue-51154.rs:2:30: 2:32}`
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= help: every closure has a distinct type and so could not always match the caller-chosen type of parameter `F`
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note: associated function defined here
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0308`.
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