15 lines
207 B
Rust
15 lines
207 B
Rust
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use std::ops::Add;
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fn dbl<T>(x: T) -> <T as Add>::Output
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where
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T: Copy + Add,
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UUU: Copy,
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//~^ ERROR cannot find type `UUU` in this scope
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{
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x + x
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}
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fn main() {
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println!("{}", dbl(3));
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}
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