mirror of https://github.com/rust-lang/rust
19 lines
401 B
Rust
19 lines
401 B
Rust
// Test that negating unsigned integers doesn't compile
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struct S;
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impl std::ops::Neg for S {
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type Output = u32;
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fn neg(self) -> u32 { 0 }
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}
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fn main() {
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let _max: usize = -1;
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//~^ ERROR cannot apply unary operator `-` to type `usize`
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let x = 5u8;
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let _y = -x;
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//~^ ERROR cannot apply unary operator `-` to type `u8`
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-S; // should not trigger the gate; issue 26840
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}
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