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