mirror of https://github.com/rust-lang/rust
20 lines
413 B
Rust
20 lines
413 B
Rust
fn server() -> impl {
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//~^ ERROR at least one trait must be specified
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().map2(|| "")
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}
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trait FilterBase2 {
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fn map2<F>(self, f: F) -> Map2<F> {}
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//~^ ERROR mismatched types
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//~^^ ERROR the size for values of type `Self` cannot be known at compilation time
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}
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struct Map2<Segment2> {
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_func: F,
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//~^ ERROR cannot find type `F` in this scope
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}
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impl<F> FilterBase2 for F {}
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fn main() {}
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