diff options
Diffstat (limited to 'tests/ui/structs-enums/struct-path-self.rs')
-rw-r--r-- | tests/ui/structs-enums/struct-path-self.rs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/struct-path-self.rs b/tests/ui/structs-enums/struct-path-self.rs new file mode 100644 index 000000000..e7a59858f --- /dev/null +++ b/tests/ui/structs-enums/struct-path-self.rs @@ -0,0 +1,45 @@ +// run-pass +use std::ops::Add; + +struct S<T, U = u16> { + a: T, + b: U, +} + +trait Tr { + fn f(&self) -> Self; +} + +impl<T: Default + Add<u8, Output = T>, U: Default> Tr for S<T, U> { + fn f(&self) -> Self { + let s = Self { a: Default::default(), b: Default::default() }; + match s { + Self { a, b } => Self { a: a + 1, b: b } + } + } +} + +impl<T: Default, U: Default + Add<u16, Output = U>> S<T, U> { + fn g(&self) -> Self { + let s = Self { a: Default::default(), b: Default::default() }; + match s { + Self { a, b } => Self { a: a, b: b + 1 } + } + } +} + +impl S<u8> { + fn new() -> Self { + Self { a: 0, b: 1 } + } +} + +fn main() { + let s0 = S::new(); + let s1 = s0.f(); + assert_eq!(s1.a, 1); + assert_eq!(s1.b, 0); + let s2 = s0.g(); + assert_eq!(s2.a, 0); + assert_eq!(s2.b, 1); +} |