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try referencing outer params
This commit is contained in:
Bastian Kauschke
parent
19a3fe6324
commit
a30b28e893
203
src/test/ui/const-generics/const-arg-in-const-arg.min.stderr
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203
src/test/ui/const-generics/const-arg-in-const-arg.min.stderr
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error: generic parameters may not be used in const operations
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--> $DIR/const-arg-in-const-arg.rs:14:23
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LL | let _: [u8; foo::<T>()];
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| ^ cannot perform const operation using `T`
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= note: type parameters may not be used in const expressions
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error: generic parameters may not be used in const operations
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--> $DIR/const-arg-in-const-arg.rs:15:23
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LL | let _: [u8; bar::<N>()];
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| ^ cannot perform const operation using `N`
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= help: const parameters may only be used as standalone arguments, i.e. `N`
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error: generic parameters may not be used in const operations
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--> $DIR/const-arg-in-const-arg.rs:25:23
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LL | let _ = [0; bar::<N>()];
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| ^ cannot perform const operation using `N`
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= help: const parameters may only be used as standalone arguments, i.e. `N`
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error: generic parameters may not be used in const operations
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--> $DIR/const-arg-in-const-arg.rs:30:24
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LL | let _: Foo<{ foo::<T>() }>;
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| ^ cannot perform const operation using `T`
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= note: type parameters may not be used in const expressions
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error: generic parameters may not be used in const operations
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--> $DIR/const-arg-in-const-arg.rs:31:24
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LL | let _: Foo<{ bar::<N>() }>;
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| ^ cannot perform const operation using `N`
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= help: const parameters may only be used as standalone arguments, i.e. `N`
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error: generic parameters may not be used in const operations
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--> $DIR/const-arg-in-const-arg.rs:36:27
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LL | let _ = Foo::<{ foo::<T>() }>;
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| ^ cannot perform const operation using `T`
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= note: type parameters may not be used in const expressions
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error: generic parameters may not be used in const operations
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--> $DIR/const-arg-in-const-arg.rs:37:27
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LL | let _ = Foo::<{ bar::<N>() }>;
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| ^ cannot perform const operation using `N`
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= help: const parameters may only be used as standalone arguments, i.e. `N`
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:16:23
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LL | let _: [u8; faz::<'a>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:17:23
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LL | let _: [u8; baz::<'a>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:18:23
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LL | let _: [u8; faz::<'b>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:19:23
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LL | let _: [u8; baz::<'b>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:26:23
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LL | let _ = [0; faz::<'a>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:27:23
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LL | let _ = [0; baz::<'a>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:28:23
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LL | let _ = [0; faz::<'b>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:29:23
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LL | let _ = [0; baz::<'b>(&())];
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:32:24
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LL | let _: Foo<{ faz::<'a>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:33:24
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LL | let _: Foo<{ baz::<'a>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:34:24
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LL | let _: Foo<{ faz::<'b>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:35:24
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LL | let _: Foo<{ baz::<'b>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:38:27
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LL | let _ = Foo::<{ faz::<'a>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:39:27
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LL | let _ = Foo::<{ baz::<'a>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:40:27
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LL | let _ = Foo::<{ faz::<'b>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error[E0658]: a non-static lifetime is not allowed in a `const`
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--> $DIR/const-arg-in-const-arg.rs:41:27
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LL | let _ = Foo::<{ baz::<'b>(&()) }>;
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| ^^
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= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
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= help: add `#![feature(const_generics)]` to the crate attributes to enable
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error: aborting due to 23 previous errors
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For more information about this error, try `rustc --explain E0658`.
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44
src/test/ui/const-generics/const-arg-in-const-arg.rs
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44
src/test/ui/const-generics/const-arg-in-const-arg.rs
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@ -0,0 +1,44 @@
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// revisions: min
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// FIXME(const_generics): This test currently causes an ICE because
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// we don't yet correctly deal with lifetimes, reenable this test once
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// this is fixed.
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#![cfg_attr(min, feature(min_const_generics))]
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const fn foo<T>() -> usize { std::mem::size_of::<T>() }
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const fn bar<const N: usize>() -> usize { N }
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const fn faz<'a>(_: &'a ()) -> usize { 13 }
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const fn baz<'a>(_: &'a ()) -> usize where &'a (): Sized { 13 }
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struct Foo<const N: usize>;
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fn test<'a, 'b, T, const N: usize>() where &'b (): Sized {
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let _: [u8; foo::<T>()]; //~ ERROR generic parameters may not
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let _: [u8; bar::<N>()]; //~ ERROR generic parameters may not
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let _: [u8; faz::<'a>(&())]; //~ ERROR a non-static lifetime
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let _: [u8; baz::<'a>(&())]; //~ ERROR a non-static lifetime
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let _: [u8; faz::<'b>(&())]; //~ ERROR a non-static lifetime
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let _: [u8; baz::<'b>(&())]; //~ ERROR a non-static lifetime
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// NOTE: This can be a future compat warning instead of an error,
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// so we stop compilation before emitting this error in this test.
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let _ = [0; foo::<T>()];
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let _ = [0; bar::<N>()]; //~ ERROR generic parameters may not
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let _ = [0; faz::<'a>(&())]; //~ ERROR a non-static lifetime
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let _ = [0; baz::<'a>(&())]; //~ ERROR a non-static lifetime
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let _ = [0; faz::<'b>(&())]; //~ ERROR a non-static lifetime
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let _ = [0; baz::<'b>(&())]; //~ ERROR a non-static lifetime
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let _: Foo<{ foo::<T>() }>; //~ ERROR generic parameters may not
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let _: Foo<{ bar::<N>() }>; //~ ERROR generic parameters may not
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let _: Foo<{ faz::<'a>(&()) }>; //~ ERROR a non-static lifetime
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let _: Foo<{ baz::<'a>(&()) }>; //~ ERROR a non-static lifetime
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let _: Foo<{ faz::<'b>(&()) }>; //~ ERROR a non-static lifetime
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let _: Foo<{ baz::<'b>(&()) }>; //~ ERROR a non-static lifetime
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let _ = Foo::<{ foo::<T>() }>; //~ ERROR generic parameters may not
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let _ = Foo::<{ bar::<N>() }>; //~ ERROR generic parameters may not
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let _ = Foo::<{ faz::<'a>(&()) }>; //~ ERROR a non-static lifetime
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let _ = Foo::<{ baz::<'a>(&()) }>; //~ ERROR a non-static lifetime
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let _ = Foo::<{ faz::<'b>(&()) }>; //~ ERROR a non-static lifetime
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let _ = Foo::<{ baz::<'b>(&()) }>; //~ ERROR a non-static lifetime
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}
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fn main() {}
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