diff options
Diffstat (limited to 'tests/ui/specialization/auxiliary/cross_crates_defaults.rs')
-rw-r--r-- | tests/ui/specialization/auxiliary/cross_crates_defaults.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/ui/specialization/auxiliary/cross_crates_defaults.rs b/tests/ui/specialization/auxiliary/cross_crates_defaults.rs new file mode 100644 index 000000000..1e5555355 --- /dev/null +++ b/tests/ui/specialization/auxiliary/cross_crates_defaults.rs @@ -0,0 +1,40 @@ +#![feature(specialization)] + +// First, test only use of explicit `default` items: + +pub trait Foo { + fn foo(&self) -> bool; +} + +impl<T> Foo for T { + default fn foo(&self) -> bool { false } +} + +impl Foo for i32 {} + +impl Foo for i64 { + fn foo(&self) -> bool { true } +} + +// Next, test mixture of explicit `default` and provided methods: + +pub trait Bar { + fn bar(&self) -> i32 { 0 } +} + +impl<T> Bar for T { + default fn bar(&self) -> i32 { 0 } +} + +impl Bar for i32 { + fn bar(&self) -> i32 { 1 } +} +impl<'a> Bar for &'a str {} + +impl<T> Bar for Vec<T> { + default fn bar(&self) -> i32 { 2 } +} +impl Bar for Vec<i32> {} +impl Bar for Vec<i64> { + fn bar(&self) -> i32 { 3 } +} |