mirror of https://github.com/rust-lang/rust
59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
//@ check-pass
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//@ aux-build: rpitit.rs
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extern crate rpitit;
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use rpitit::{Foo, Foreign};
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use std::sync::Arc;
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// Implement an RPITIT from another crate.
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pub struct Local;
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impl Foo for Local {
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#[expect(refining_impl_trait)]
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fn bar(self) -> Arc<String> {
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Arc::new(String::new())
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}
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}
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struct LocalOnlyRefiningA;
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impl Foo for LocalOnlyRefiningA {
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#[warn(refining_impl_trait)]
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fn bar(self) -> Arc<String> {
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//~^ WARN impl method signature does not match trait method signature
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Arc::new(String::new())
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}
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}
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struct LocalOnlyRefiningB;
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impl Foo for LocalOnlyRefiningB {
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#[warn(refining_impl_trait)]
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#[allow(refining_impl_trait_reachable)]
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fn bar(self) -> Arc<String> {
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//~^ WARN impl method signature does not match trait method signature
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Arc::new(String::new())
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}
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}
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struct LocalOnlyRefiningC;
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impl Foo for LocalOnlyRefiningC {
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#[warn(refining_impl_trait)]
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#[allow(refining_impl_trait_internal)]
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fn bar(self) -> Arc<String> {
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Arc::new(String::new())
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}
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}
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fn generic(f: impl Foo) {
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let x = &*f.bar();
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}
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fn main() {
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// Witness an RPITIT from another crate.
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let &() = Foreign.bar();
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let x: Arc<String> = Local.bar();
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let x: Arc<String> = LocalOnlyRefiningA.bar();
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let x: Arc<String> = LocalOnlyRefiningB.bar();
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let x: Arc<String> = LocalOnlyRefiningC.bar();
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}
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