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https://github.com/rust-lang/rust
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14 lines
335 B
Rust
14 lines
335 B
Rust
trait Mumbo {
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fn jumbo(&self, x: &usize) -> usize;
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}
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impl Mumbo for usize {
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// Cannot have a larger effect than the trait:
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unsafe fn jumbo(&self, x: &usize) { *self + *x; }
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//~^ ERROR method `jumbo` has an incompatible type for trait
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//~| expected signature `fn
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//~| found signature `unsafe fn
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}
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fn main() {}
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