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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/const-generics/const-arg-in-const-arg.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/const-generics/const-arg-in-const-arg.rs')
-rw-r--r-- | tests/ui/const-generics/const-arg-in-const-arg.rs | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/ui/const-generics/const-arg-in-const-arg.rs b/tests/ui/const-generics/const-arg-in-const-arg.rs new file mode 100644 index 000000000..44a4f560a --- /dev/null +++ b/tests/ui/const-generics/const-arg-in-const-arg.rs @@ -0,0 +1,60 @@ +// revisions: full min + +#![cfg_attr(full, feature(generic_const_exprs))] +#![cfg_attr(full, allow(incomplete_features))] + +const fn foo<T>() -> usize { std::mem::size_of::<T>() } +const fn bar<const N: usize>() -> usize { N } +const fn faz<'a>(_: &'a ()) -> usize { 13 } +const fn baz<'a>(_: &'a ()) -> usize where &'a (): Sized { 13 } + +struct Foo<const N: usize>; +fn test<'a, 'b, T, const N: usize>() where &'b (): Sized { + let _: [u8; foo::<T>()]; //[min]~ ERROR generic parameters may not + //[full]~^ ERROR unconstrained generic constant + let _: [u8; bar::<N>()]; //[min]~ ERROR generic parameters may not + //[min]~^ ERROR unresolved item provided when a constant was expected + //[full]~^^ ERROR unconstrained generic constant + let _: [u8; faz::<'a>(&())]; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _: [u8; baz::<'a>(&())]; //[min]~ ERROR a non-static lifetime + let _: [u8; faz::<'b>(&())]; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _: [u8; baz::<'b>(&())]; //[min]~ ERROR a non-static lifetime + + let _ = [0; foo::<T>()]; //[min]~ ERROR constant expression depends on a generic parameter + //[full]~^ ERROR unconstrained generic constant + let _ = [0; bar::<N>()]; //[min]~ ERROR generic parameters may not + //[min]~^ ERROR unresolved item provided when a constant was expected + //[full]~^^ ERROR unconstrained generic constant + let _ = [0; faz::<'a>(&())]; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _ = [0; baz::<'a>(&())]; //[min]~ ERROR a non-static lifetime + let _ = [0; faz::<'b>(&())]; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _ = [0; baz::<'b>(&())]; //[min]~ ERROR a non-static lifetime + let _: Foo<{ foo::<T>() }>; //[min]~ ERROR generic parameters may not + //[full]~^ ERROR unconstrained generic constant + let _: Foo<{ bar::<N>() }>; //[min]~ ERROR generic parameters may not + //[min]~^ ERROR unresolved item provided when a constant was expected + //[full]~^^ ERROR unconstrained generic constant + let _: Foo<{ faz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _: Foo<{ baz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime + let _: Foo<{ faz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _: Foo<{ baz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime + let _ = Foo::<{ foo::<T>() }>; //[min]~ ERROR generic parameters may not + //[full]~^ ERROR unconstrained generic constant + let _ = Foo::<{ bar::<N>() }>; //[min]~ ERROR generic parameters may not + //[min]~^ ERROR unresolved item provided when a constant was expected + //[full]~^^ ERROR unconstrained generic constant + let _ = Foo::<{ faz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _ = Foo::<{ baz::<'a>(&()) }>; //[min]~ ERROR a non-static lifetime + let _ = Foo::<{ faz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime + //~^ ERROR cannot specify lifetime arguments + let _ = Foo::<{ baz::<'b>(&()) }>; //[min]~ ERROR a non-static lifetime +} + +fn main() {} |