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Commit | Line | Data |
---|---|---|
dc9dc135 | 1 | warning: trait objects without an explicit `dyn` are deprecated |
6a06907d | 2 | --> $DIR/not-on-bare-trait.rs:7:12 |
dc9dc135 XL |
3 | | |
4 | LL | fn foo(_x: Foo + Send) { | |
a2a8927a | 5 | | ^^^^^^^^^^ |
dc9dc135 | 6 | | |
136023e0 | 7 | = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! |
94222f64 | 8 | = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html> |
2b03887a | 9 | = note: `#[warn(bare_trait_objects)]` on by default |
a2a8927a XL |
10 | help: use `dyn` |
11 | | | |
f2b60f7d FG |
12 | LL | fn foo(_x: dyn Foo + Send) { |
13 | | +++ | |
dc9dc135 | 14 | |
1b1a35ee | 15 | error[E0277]: the size for values of type `(dyn Foo + Send + 'static)` cannot be known at compilation time |
6a06907d | 16 | --> $DIR/not-on-bare-trait.rs:7:8 |
b7449926 XL |
17 | | |
18 | LL | fn foo(_x: Foo + Send) { | |
19 | | ^^ doesn't have a size known at compile-time | |
20 | | | |
1b1a35ee | 21 | = help: the trait `Sized` is not implemented for `(dyn Foo + Send + 'static)` |
29967ef6 | 22 | = help: unsized fn params are gated as an unstable feature |
3dfed10e XL |
23 | help: function arguments must have a statically known size, borrowed types always have a known size |
24 | | | |
cdc7bbd5 | 25 | LL | fn foo(_x: &Foo + Send) { |
94222f64 | 26 | | + |
b7449926 | 27 | |
ba9703b0 | 28 | error: aborting due to previous error; 1 warning emitted |
b7449926 XL |
29 | |
30 | For more information about this error, try `rustc --explain E0277`. |