09f16b596d
Do not attempt to provide an accurate suggestion for `impl Trait` in bare trait types when linting. Instead, only do the object safety check when an E0782 is already going to be emitted in the 2021 edition. Fix #120241.
21 lines
995 B
Rust
21 lines
995 B
Rust
// revisions: old new
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//[old] edition:2015
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//[new] edition:2021
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trait B { fn f(a: A) -> A; }
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//~^ ERROR the trait `A` cannot be made into an object
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//[old]~| WARN trait objects without an explicit `dyn` are deprecated
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//[old]~| WARN trait objects without an explicit `dyn` are deprecated
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//[old]~| WARN trait objects without an explicit `dyn` are deprecated
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//[old]~| WARN this is accepted in the current edition
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//[old]~| WARN this is accepted in the current edition
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//[old]~| WARN this is accepted in the current edition
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trait A { fn g(b: B) -> B; }
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//~^ ERROR the trait `B` cannot be made into an object
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//[old]~| WARN trait objects without an explicit `dyn` are deprecated
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//[old]~| WARN trait objects without an explicit `dyn` are deprecated
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//[old]~| WARN trait objects without an explicit `dyn` are deprecated
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//[old]~| WARN this is accepted in the current edition
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//[old]~| WARN this is accepted in the current edition
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//[old]~| WARN this is accepted in the current edition
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fn main() {}
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