mirror of https://github.com/rust-lang/rust.git
46 lines
1.8 KiB
Rust
46 lines
1.8 KiB
Rust
//@ check-fail
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//@ edition: 2024
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#![deny(rust_2024_incompatible_pat)]
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fn main() {}
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#[derive(Copy, Clone)]
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struct T;
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struct Foo {
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f: &'static (u8,),
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}
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macro_rules! test_pat_on_type {
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($($tt:tt)*) => {
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const _: () = {
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// Define a new function to ensure all cases are tested independently.
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fn foo($($tt)*) {}
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};
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};
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}
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test_pat_on_type![(&x,): &(T,)]; //~ ERROR mismatched types
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test_pat_on_type![(&x,): &(&T,)]; //~ ERROR reference patterns may only be written when the default binding mode is `move`
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test_pat_on_type![(&x,): &(&mut T,)]; //~ ERROR mismatched types
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test_pat_on_type![(&mut x,): &(&T,)]; //~ ERROR mismatched types
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test_pat_on_type![(&mut x,): &(&mut T,)]; //~ ERROR reference patterns may only be written when the default binding mode is `move`
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test_pat_on_type![(&x,): &&mut &(T,)]; //~ ERROR mismatched types
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test_pat_on_type![Foo { f: (&x,) }: Foo]; //~ ERROR mismatched types
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test_pat_on_type![Foo { f: (&x,) }: &mut Foo]; //~ ERROR mismatched types
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test_pat_on_type![Foo { f: &(x,) }: &Foo]; //~ ERROR reference patterns may only be written when the default binding mode is `move`
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test_pat_on_type![(mut x,): &(T,)]; //~ ERROR binding modifiers may only be written when the default binding mode is `move`
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test_pat_on_type![(ref x,): &(T,)]; //~ ERROR binding modifiers may only be written when the default binding mode is `move`
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test_pat_on_type![(ref mut x,): &mut (T,)]; //~ ERROR binding modifiers may only be written when the default binding mode is `move`
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fn get<X>() -> X {
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unimplemented!()
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}
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// Make sure this works even when the underlying type is inferred. This test passes on rust stable.
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fn infer<X: Copy>() -> X {
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match &get() {
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(&x,) => x, //~ ERROR reference patterns may only be written when the default binding mode is `move`
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}
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}
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