diff options
Diffstat (limited to 'src/test/ui/associated-consts/associated-const-match-patterns.rs')
-rw-r--r-- | src/test/ui/associated-consts/associated-const-match-patterns.rs | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/test/ui/associated-consts/associated-const-match-patterns.rs b/src/test/ui/associated-consts/associated-const-match-patterns.rs new file mode 100644 index 000000000..62c1cb983 --- /dev/null +++ b/src/test/ui/associated-consts/associated-const-match-patterns.rs @@ -0,0 +1,68 @@ +// run-pass +// aux-build:empty-struct.rs + + +extern crate empty_struct; +use empty_struct::XEmpty2 as XFoo; + +struct Foo; + +#[derive(PartialEq, Eq)] +enum Bar { + Var1, + Var2, +} + +// Use inherent and trait impls to test UFCS syntax. +impl Foo { + const MYBAR: Bar = Bar::Var2; +} + +trait HasBar { + const THEBAR: Bar; +} + +impl HasBar for Foo { + const THEBAR: Bar = Bar::Var1; +} + +impl HasBar for XFoo { + const THEBAR: Bar = Bar::Var1; +} + +fn main() { + // Inherent impl + assert!(match Bar::Var2 { + Foo::MYBAR => true, + _ => false, + }); + assert!(match Bar::Var2 { + <Foo>::MYBAR => true, + _ => false, + }); + // Trait impl + assert!(match Bar::Var1 { + Foo::THEBAR => true, + _ => false, + }); + assert!(match Bar::Var1 { + <Foo>::THEBAR => true, + _ => false, + }); + assert!(match Bar::Var1 { + <Foo as HasBar>::THEBAR => true, + _ => false, + }); + assert!(match Bar::Var1 { + XFoo::THEBAR => true, + _ => false, + }); + assert!(match Bar::Var1 { + <XFoo>::THEBAR => true, + _ => false, + }); + assert!(match Bar::Var1 { + <XFoo as HasBar>::THEBAR => true, + _ => false, + }); +} |