mirror of https://github.com/rust-lang/rust
47 lines
2.2 KiB
Plaintext
47 lines
2.2 KiB
Plaintext
error[E0053]: method `call` has an incompatible type for trait
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--> $DIR/issue-20225.rs:6:43
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LL | impl<'a, T> Fn<(&'a T,)> for Foo {
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| - found this type parameter
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LL | extern "rust-call" fn call(&self, (_,): (T,)) {}
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| ^^^^
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| |
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| expected `&'a T`, found type parameter `T`
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| help: change the parameter type to match the trait: `(&'a T,)`
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= note: expected signature `extern "rust-call" fn(&Foo, (&'a _,))`
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found signature `extern "rust-call" fn(&Foo, (_,))`
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error[E0053]: method `call_mut` has an incompatible type for trait
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--> $DIR/issue-20225.rs:11:51
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LL | impl<'a, T> FnMut<(&'a T,)> for Foo {
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| - found this type parameter
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LL | extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
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| ^^^^
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| |
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| expected `&'a T`, found type parameter `T`
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| help: change the parameter type to match the trait: `(&'a T,)`
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= note: expected signature `extern "rust-call" fn(&mut Foo, (&'a _,))`
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found signature `extern "rust-call" fn(&mut Foo, (_,))`
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error[E0053]: method `call_once` has an incompatible type for trait
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--> $DIR/issue-20225.rs:18:47
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LL | impl<'a, T> FnOnce<(&'a T,)> for Foo {
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| - found this type parameter
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...
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LL | extern "rust-call" fn call_once(self, (_,): (T,)) {}
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| ^^^^
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| |
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| expected `&'a T`, found type parameter `T`
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| help: change the parameter type to match the trait: `(&'a T,)`
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= note: expected signature `extern "rust-call" fn(Foo, (&'a _,))`
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found signature `extern "rust-call" fn(Foo, (_,))`
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0053`.
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