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Diffstat (limited to 'src/test/ui/associated-types/defaults-mixed.rs')
-rw-r--r-- | src/test/ui/associated-types/defaults-mixed.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/defaults-mixed.rs b/src/test/ui/associated-types/defaults-mixed.rs new file mode 100644 index 000000000..c91b8de39 --- /dev/null +++ b/src/test/ui/associated-types/defaults-mixed.rs @@ -0,0 +1,34 @@ +#![feature(associated_type_defaults)] + +// Tests that a trait with one defaulted and one non-defaulted assoc. type behaves properly. + +trait Trait { + type Foo = u8; + type Bar; +} + +// `Bar` must be specified +impl Trait for () {} +//~^ error: not all trait items implemented, missing: `Bar` + +impl Trait for bool { +//~^ error: not all trait items implemented, missing: `Bar` + type Foo = (); +} + +impl Trait for u8 { + type Bar = (); +} + +impl Trait for u16 { + type Foo = String; + type Bar = bool; +} + +fn main() { + let _: <u8 as Trait>::Foo = 0u8; + let _: <u8 as Trait>::Bar = (); + + let _: <u16 as Trait>::Foo = String::new(); + let _: <u16 as Trait>::Bar = true; +} |