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19 lines
405 B
Rust
19 lines
405 B
Rust
// Check that unsafe traits require unsafe impls and that inherent
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// impls cannot be unsafe.
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trait SafeTrait {
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fn foo(&self) { }
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}
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unsafe trait UnsafeTrait {
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fn foo(&self) { }
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}
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unsafe impl UnsafeTrait for u8 { } // OK
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impl UnsafeTrait for u16 { } //~ ERROR requires an `unsafe impl` declaration
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unsafe impl SafeTrait for u32 { } //~ ERROR the trait `SafeTrait` is not unsafe
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fn main() { }
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