90 lines
3.7 KiB
Plaintext
90 lines
3.7 KiB
Plaintext
error[E0106]: missing lifetime specifier
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--> $DIR/opaque-used-in-extraneous-argument.rs:5:39
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LL | fn frob() -> impl Fn<P, Output = T> + '_ {}
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| ^^ expected named lifetime parameter
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= help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
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help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values
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LL | fn frob() -> impl Fn<P, Output = T> + 'static {}
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| ~~~~~~~
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error[E0412]: cannot find type `P` in this scope
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--> $DIR/opaque-used-in-extraneous-argument.rs:5:22
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LL | fn frob() -> impl Fn<P, Output = T> + '_ {}
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| ^ not found in this scope
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help: you might be missing a type parameter
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LL | fn frob<P>() -> impl Fn<P, Output = T> + '_ {}
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| +++
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error[E0412]: cannot find type `T` in this scope
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--> $DIR/opaque-used-in-extraneous-argument.rs:5:34
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LL | fn frob() -> impl Fn<P, Output = T> + '_ {}
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| ^ not found in this scope
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help: you might be missing a type parameter
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LL | fn frob<T>() -> impl Fn<P, Output = T> + '_ {}
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| +++
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error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change
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--> $DIR/opaque-used-in-extraneous-argument.rs:5:19
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LL | fn frob() -> impl Fn<P, Output = T> + '_ {}
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| ^^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(P) -> T`
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= note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
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= help: add `#![feature(unboxed_closures)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change
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--> $DIR/opaque-used-in-extraneous-argument.rs:5:19
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LL | fn frob() -> impl Fn<P, Output = T> + '_ {}
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| ^^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(P) -> T`
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= note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
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= help: add `#![feature(unboxed_closures)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error[E0061]: this function takes 0 arguments but 1 argument was supplied
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--> $DIR/opaque-used-in-extraneous-argument.rs:17:20
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LL | let old_path = frob("hello");
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| ^^^^ -------
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| |
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| unexpected argument of type `&'static str`
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| help: remove the extra argument
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note: function defined here
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--> $DIR/opaque-used-in-extraneous-argument.rs:5:4
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LL | fn frob() -> impl Fn<P, Output = T> + '_ {}
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| ^^^^
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error[E0061]: this function takes 0 arguments but 1 argument was supplied
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--> $DIR/opaque-used-in-extraneous-argument.rs:20:5
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LL | open_parent(&old_path)
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| ^^^^^^^^^^^ ---------
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| |
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| unexpected argument of type `&impl FnOnce<{type error}, Output = {type error}> + Fn<{type error}> + 'static`
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| help: remove the extra argument
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note: function defined here
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--> $DIR/opaque-used-in-extraneous-argument.rs:12:4
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LL | fn open_parent<'path>() {
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| ^^^^^^^^^^^
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error: aborting due to 7 previous errors
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Some errors have detailed explanations: E0061, E0106, E0412, E0658.
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For more information about an error, try `rustc --explain E0061`.
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