diff options
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/deriving/deriving-all-codegen.stdout | 72 | ||||
-rw-r--r-- | src/test/ui/deriving/deriving-default-enum.rs | 10 | ||||
-rw-r--r-- | src/test/ui/deriving/deriving-hash.rs | 20 |
3 files changed, 78 insertions, 24 deletions
diff --git a/src/test/ui/deriving/deriving-all-codegen.stdout b/src/test/ui/deriving/deriving-all-codegen.stdout index 56efc2a59..92fce6888 100644 --- a/src/test/ui/deriving/deriving-all-codegen.stdout +++ b/src/test/ui/deriving/deriving-all-codegen.stdout @@ -46,13 +46,15 @@ impl ::core::default::Default for Empty { impl ::core::hash::Hash for Empty { fn hash<__H: ::core::hash::Hasher>(&self, state: &mut __H) -> () {} } -impl ::core::marker::StructuralPartialEq for Empty {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Empty { } #[automatically_derived] impl ::core::cmp::PartialEq for Empty { #[inline] fn eq(&self, other: &Empty) -> bool { true } } -impl ::core::marker::StructuralEq for Empty {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Empty { } #[automatically_derived] impl ::core::cmp::Eq for Empty { #[inline] @@ -115,7 +117,8 @@ impl ::core::hash::Hash for Point { ::core::hash::Hash::hash(&self.y, state) } } -impl ::core::marker::StructuralPartialEq for Point {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Point { } #[automatically_derived] impl ::core::cmp::PartialEq for Point { #[inline] @@ -123,7 +126,8 @@ impl ::core::cmp::PartialEq for Point { self.x == other.x && self.y == other.y } } -impl ::core::marker::StructuralEq for Point {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Point { } #[automatically_derived] impl ::core::cmp::Eq for Point { #[inline] @@ -225,7 +229,8 @@ impl ::core::hash::Hash for Big { ::core::hash::Hash::hash(&self.b8, state) } } -impl ::core::marker::StructuralPartialEq for Big {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Big { } #[automatically_derived] impl ::core::cmp::PartialEq for Big { #[inline] @@ -236,7 +241,8 @@ impl ::core::cmp::PartialEq for Big { self.b8 == other.b8 } } -impl ::core::marker::StructuralEq for Big {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Big { } #[automatically_derived] impl ::core::cmp::Eq for Big { #[inline] @@ -345,13 +351,15 @@ impl ::core::hash::Hash for Unsized { ::core::hash::Hash::hash(&self.0, state) } } -impl ::core::marker::StructuralPartialEq for Unsized {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Unsized { } #[automatically_derived] impl ::core::cmp::PartialEq for Unsized { #[inline] fn eq(&self, other: &Unsized) -> bool { self.0 == other.0 } } -impl ::core::marker::StructuralEq for Unsized {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Unsized { } #[automatically_derived] impl ::core::cmp::Eq for Unsized { #[inline] @@ -410,13 +418,15 @@ impl ::core::hash::Hash for PackedCopy { ::core::hash::Hash::hash(&{ self.0 }, state) } } -impl ::core::marker::StructuralPartialEq for PackedCopy {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for PackedCopy { } #[automatically_derived] impl ::core::cmp::PartialEq for PackedCopy { #[inline] fn eq(&self, other: &PackedCopy) -> bool { { self.0 } == { other.0 } } } -impl ::core::marker::StructuralEq for PackedCopy {} +#[automatically_derived] +impl ::core::marker::StructuralEq for PackedCopy { } #[automatically_derived] impl ::core::cmp::Eq for PackedCopy { #[inline] @@ -479,7 +489,8 @@ impl ::core::hash::Hash for PackedNonCopy { ::core::hash::Hash::hash(__self_0_0, state) } } -impl ::core::marker::StructuralPartialEq for PackedNonCopy {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for PackedNonCopy { } #[automatically_derived] impl ::core::cmp::PartialEq for PackedNonCopy { #[inline] @@ -489,7 +500,8 @@ impl ::core::cmp::PartialEq for PackedNonCopy { *__self_0_0 == *__self_1_0 } } -impl ::core::marker::StructuralEq for PackedNonCopy {} +#[automatically_derived] +impl ::core::marker::StructuralEq for PackedNonCopy { } #[automatically_derived] impl ::core::cmp::Eq for PackedNonCopy { #[inline] @@ -540,7 +552,8 @@ impl ::core::hash::Hash for Enum0 { unsafe { ::core::intrinsics::unreachable() } } } -impl ::core::marker::StructuralPartialEq for Enum0 {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Enum0 { } #[automatically_derived] impl ::core::cmp::PartialEq for Enum0 { #[inline] @@ -548,7 +561,8 @@ impl ::core::cmp::PartialEq for Enum0 { unsafe { ::core::intrinsics::unreachable() } } } -impl ::core::marker::StructuralEq for Enum0 {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Enum0 { } #[automatically_derived] impl ::core::cmp::Eq for Enum0 { #[inline] @@ -607,7 +621,8 @@ impl ::core::hash::Hash for Enum1 { } } } -impl ::core::marker::StructuralPartialEq for Enum1 {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Enum1 { } #[automatically_derived] impl ::core::cmp::PartialEq for Enum1 { #[inline] @@ -618,7 +633,8 @@ impl ::core::cmp::PartialEq for Enum1 { } } } -impl ::core::marker::StructuralEq for Enum1 {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Enum1 { } #[automatically_derived] impl ::core::cmp::Eq for Enum1 { #[inline] @@ -676,13 +692,15 @@ impl ::core::default::Default for Fieldless1 { impl ::core::hash::Hash for Fieldless1 { fn hash<__H: ::core::hash::Hasher>(&self, state: &mut __H) -> () {} } -impl ::core::marker::StructuralPartialEq for Fieldless1 {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Fieldless1 { } #[automatically_derived] impl ::core::cmp::PartialEq for Fieldless1 { #[inline] fn eq(&self, other: &Fieldless1) -> bool { true } } -impl ::core::marker::StructuralEq for Fieldless1 {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Fieldless1 { } #[automatically_derived] impl ::core::cmp::Eq for Fieldless1 { #[inline] @@ -743,7 +761,8 @@ impl ::core::hash::Hash for Fieldless { ::core::hash::Hash::hash(&__self_tag, state) } } -impl ::core::marker::StructuralPartialEq for Fieldless {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Fieldless { } #[automatically_derived] impl ::core::cmp::PartialEq for Fieldless { #[inline] @@ -753,7 +772,8 @@ impl ::core::cmp::PartialEq for Fieldless { __self_tag == __arg1_tag } } -impl ::core::marker::StructuralEq for Fieldless {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Fieldless { } #[automatically_derived] impl ::core::cmp::Eq for Fieldless { #[inline] @@ -840,7 +860,8 @@ impl ::core::hash::Hash for Mixed { } } } -impl ::core::marker::StructuralPartialEq for Mixed {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Mixed { } #[automatically_derived] impl ::core::cmp::PartialEq for Mixed { #[inline] @@ -858,7 +879,8 @@ impl ::core::cmp::PartialEq for Mixed { } } } -impl ::core::marker::StructuralEq for Mixed {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Mixed { } #[automatically_derived] impl ::core::cmp::Eq for Mixed { #[inline] @@ -967,7 +989,8 @@ impl ::core::hash::Hash for Fielded { } } } -impl ::core::marker::StructuralPartialEq for Fielded {} +#[automatically_derived] +impl ::core::marker::StructuralPartialEq for Fielded { } #[automatically_derived] impl ::core::cmp::PartialEq for Fielded { #[inline] @@ -986,7 +1009,8 @@ impl ::core::cmp::PartialEq for Fielded { } } } -impl ::core::marker::StructuralEq for Fielded {} +#[automatically_derived] +impl ::core::marker::StructuralEq for Fielded { } #[automatically_derived] impl ::core::cmp::Eq for Fielded { #[inline] diff --git a/src/test/ui/deriving/deriving-default-enum.rs b/src/test/ui/deriving/deriving-default-enum.rs index d1a81c72c..1c7a501ed 100644 --- a/src/test/ui/deriving/deriving-default-enum.rs +++ b/src/test/ui/deriving/deriving-default-enum.rs @@ -12,6 +12,16 @@ enum Foo { Beta(NotDefault), } +// #[default] on a generic enum does not add `Default` bounds to the type params. +#[derive(Default)] +enum MyOption<T> { + #[default] + None, + #[allow(dead_code)] + Some(T), +} + fn main() { assert_eq!(Foo::default(), Foo::Alpha); + assert!(matches!(MyOption::<NotDefault>::default(), MyOption::None)); } diff --git a/src/test/ui/deriving/deriving-hash.rs b/src/test/ui/deriving/deriving-hash.rs index 8b51370bc..16738ec4a 100644 --- a/src/test/ui/deriving/deriving-hash.rs +++ b/src/test/ui/deriving/deriving-hash.rs @@ -44,6 +44,17 @@ fn fake_hash<A: Hash>(v: &mut Vec<u8>, a: A) { a.hash(&mut FakeHasher(v)); } +struct OnlyOneByteHasher; +impl Hasher for OnlyOneByteHasher { + fn finish(&self) -> u64 { + unreachable!() + } + + fn write(&mut self, bytes: &[u8]) { + assert_eq!(bytes.len(), 1); + } +} + fn main() { let person1 = Person { id: 5, @@ -73,4 +84,13 @@ fn main() { let mut v = vec![]; fake_hash(&mut v, SingleVariantEnum::A(17)); assert_eq!(vec![17], v); + + // issue #39137 + #[repr(u8)] + #[derive(Hash)] + enum E { + A, + B, + } + E::A.hash(&mut OnlyOneByteHasher); } |