diff options
Diffstat (limited to 'src/test/ui/resolve/resolve-self-in-impl.rs')
-rw-r--r-- | src/test/ui/resolve/resolve-self-in-impl.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/resolve/resolve-self-in-impl.rs b/src/test/ui/resolve/resolve-self-in-impl.rs new file mode 100644 index 000000000..024fdc51e --- /dev/null +++ b/src/test/ui/resolve/resolve-self-in-impl.rs @@ -0,0 +1,20 @@ +#![feature(associated_type_defaults)] + +struct S<T = u8>(T); +trait Tr<T = u8> { + type A = (); +} + +impl Tr<Self> for S {} // OK +impl<T: Tr<Self>> Tr<T> for S {} // OK +impl Tr for S where Self: Copy {} // OK +impl Tr for S where S<Self>: Copy {} // OK +impl Tr for S where Self::A: Copy {} // OK + +impl Tr for Self {} //~ ERROR cycle detected +impl Tr for S<Self> {} //~ ERROR cycle detected +impl Self {} //~ ERROR cycle detected +impl S<Self> {} //~ ERROR cycle detected +impl Tr<Self::A> for S {} //~ ERROR cycle detected + +fn main() {} |