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Diffstat (limited to 'tests/ui/error-codes/E0225.stderr')
| -rw-r--r-- | tests/ui/error-codes/E0225.stderr | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/error-codes/E0225.stderr b/tests/ui/error-codes/E0225.stderr new file mode 100644 index 000000000..a4b33a0b7 --- /dev/null +++ b/tests/ui/error-codes/E0225.stderr @@ -0,0 +1,31 @@ +error[E0225]: only auto traits can be used as additional traits in a trait object + --> $DIR/E0225.rs:6:36 + | +LL | let _: Box<dyn std::io::Read + std::io::Write>; + | ------------- ^^^^^^^^^^^^^^ additional non-auto trait + | | + | first non-auto trait + | + = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: std::io::Read + std::io::Write {}` + = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits> + +error[E0225]: only auto traits can be used as additional traits in a trait object + --> $DIR/E0225.rs:8:20 + | +LL | trait Foo = std::io::Read + std::io::Write; + | ------------- -------------- additional non-auto trait + | | + | first non-auto trait +... +LL | let _: Box<dyn Foo>; + | ^^^ + | | + | trait alias used in trait object type (additional use) + | trait alias used in trait object type (first use) + | + = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: std::io::Read + std::io::Write {}` + = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits> + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0225`. |