2 // FIXME(generic_const_exprs): This test currently causes an ICE because
3 // we don't yet correctly deal with lifetimes, reenable this test once
6 const fn foo<T>() -> usize { std::mem::size_of::<T>() }
7 const fn bar<const N: usize>() -> usize { N }
8 const fn faz<'a>(_: &'a ()) -> usize { 13 }
9 const fn baz<'a>(_: &'a ()) -> usize where &'a (): Sized { 13 }
11 struct Foo<const N: usize>;
12 fn test<'a, 'b, T, const N: usize>() where &'b (): Sized {
13 let _: [u8; foo::<T>()]; //~ ERROR generic parameters may not
14 let _: [u8; bar::<N>()]; //~ ERROR generic parameters may not
15 let _: [u8; faz::<'a>(&())]; //~ ERROR a non-static lifetime
16 let _: [u8; baz::<'a>(&())]; //~ ERROR a non-static lifetime
17 let _: [u8; faz::<'b>(&())]; //~ ERROR a non-static lifetime
18 let _: [u8; baz::<'b>(&())]; //~ ERROR a non-static lifetime
20 // NOTE: This can be a future compat warning instead of an error,
21 // so we stop compilation before emitting this error in this test.
22 let _ = [0; foo::<T>()];
24 let _ = [0; bar::<N>()]; //~ ERROR generic parameters may not
25 let _ = [0; faz::<'a>(&())]; //~ ERROR a non-static lifetime
26 let _ = [0; baz::<'a>(&())]; //~ ERROR a non-static lifetime
27 let _ = [0; faz::<'b>(&())]; //~ ERROR a non-static lifetime
28 let _ = [0; baz::<'b>(&())]; //~ ERROR a non-static lifetime
29 let _: Foo<{ foo::<T>() }>; //~ ERROR generic parameters may not
30 let _: Foo<{ bar::<N>() }>; //~ ERROR generic parameters may not
31 let _: Foo<{ faz::<'a>(&()) }>; //~ ERROR a non-static lifetime
32 let _: Foo<{ baz::<'a>(&()) }>; //~ ERROR a non-static lifetime
33 let _: Foo<{ faz::<'b>(&()) }>; //~ ERROR a non-static lifetime
34 let _: Foo<{ baz::<'b>(&()) }>; //~ ERROR a non-static lifetime
35 let _ = Foo::<{ foo::<T>() }>; //~ ERROR generic parameters may not
36 let _ = Foo::<{ bar::<N>() }>; //~ ERROR generic parameters may not
37 let _ = Foo::<{ faz::<'a>(&()) }>; //~ ERROR a non-static lifetime
38 let _ = Foo::<{ baz::<'a>(&()) }>; //~ ERROR a non-static lifetime
39 let _ = Foo::<{ faz::<'b>(&()) }>; //~ ERROR a non-static lifetime
40 let _ = Foo::<{ baz::<'b>(&()) }>; //~ ERROR a non-static lifetime