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15 lines
457 B
Rust
15 lines
457 B
Rust
//@ revisions: old new
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//@[old] edition:2015
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//@[new] edition:2021
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//@[new] run-rustfix
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#![deny(bare_trait_objects)]
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fn ord_prefer_dot(s: String) -> impl Ord {
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//~^ ERROR the trait `Ord` cannot be made into an object
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//[old]~| ERROR trait objects without an explicit `dyn` are deprecated
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//[old]~| WARNING this is accepted in the current edition (Rust 2015)
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(s.starts_with("."), s)
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}
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fn main() {
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let _ = ord_prefer_dot(String::new());
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}
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