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13 lines
516 B
Rust
13 lines
516 B
Rust
// revisions: old new
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//[old] edition:2015
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//[new] edition:2021
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fn id<F>(f: Copy) -> usize {
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//~^ ERROR the trait `Copy` 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 this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
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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 (Rust 2015) but is a hard error in Rust 2021!
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f()
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}
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fn main() {}
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