mirror of https://github.com/rust-lang/rust
77 lines
3.0 KiB
Plaintext
77 lines
3.0 KiB
Plaintext
error[E0658]: the precise format of `Fn`-family traits' type parameters is subject to change
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--> $DIR/fn-trait-notation.rs:4:8
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LL | F: Fn<i32, Output = i32>,
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| ^^^^^^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(i32) -> i32`
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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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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/fn-trait-notation.rs:6:8
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LL | G: Fn<(i32, i32, ), Output = (i32, i32)>,
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(i32, i32) -> (i32, i32)`
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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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date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/fn-trait-notation.rs:7:8
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LL | H: Fn<(i32,), Output = i32>,
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: use parenthetical notation instead: `Fn(i32) -> i32`
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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[E0059]: type parameter to bare `Fn` trait must be a tuple
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--> $DIR/fn-trait-notation.rs:4:8
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LL | F: Fn<i32, Output = i32>,
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| ^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `i32`
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note: required by a bound in `Fn`
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--> $SRC_DIR/core/src/ops/function.rs:LL:COL
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error[E0059]: cannot use call notation; the first type parameter for the function trait is neither a tuple nor unit
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--> $DIR/fn-trait-notation.rs:9:5
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LL | f(3);
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| ^^^^
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error[E0277]: `i32` is not a tuple
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--> $DIR/fn-trait-notation.rs:9:5
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LL | f(3);
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| ^^^^ the trait `Tuple` is not implemented for `i32`
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error[E0308]: mismatched types
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--> $DIR/fn-trait-notation.rs:17:5
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LL | / e0658(
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LL | | |a| a,
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LL | | |a, b| (b, a),
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LL | | |a| a,
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LL | | );
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| |_____^ types differ
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= note: expected trait `Fn<i32>`
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found trait `Fn(_)`
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note: required by a bound in `e0658`
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--> $DIR/fn-trait-notation.rs:4:8
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LL | fn e0658<F, G, H>(f: F, g: G, h: H) -> i32
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| ----- required by a bound in this function
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LL | where
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LL | F: Fn<i32, Output = i32>,
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| ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `e0658`
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error: aborting due to 7 previous errors
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Some errors have detailed explanations: E0059, E0277, E0308, E0658.
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For more information about an error, try `rustc --explain E0059`.
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