diff options
Diffstat (limited to 'tests')
3 files changed, 44 insertions, 0 deletions
diff --git a/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.fixed b/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.fixed new file mode 100644 index 00000000000..b9f26a40219 --- /dev/null +++ b/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.fixed @@ -0,0 +1,14 @@ +// run-rustfix +trait O { + type M; +} +trait U<A: O> { + const N: A::M; +} +impl<D> O for D { + type M = u8; +} +impl<C: O<M = u8>> U<C> for u16 { + const N: C::M = 4u8; //~ ERROR mismatched types +} +fn main() {} diff --git a/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.rs b/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.rs new file mode 100644 index 00000000000..abff6af73e2 --- /dev/null +++ b/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.rs @@ -0,0 +1,14 @@ +// run-rustfix +trait O { + type M; +} +trait U<A: O> { + const N: A::M; +} +impl<D> O for D { + type M = u8; +} +impl<C: O> U<C> for u16 { + const N: C::M = 4u8; //~ ERROR mismatched types +} +fn main() {} diff --git a/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.stderr b/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.stderr new file mode 100644 index 00000000000..b104f38ce90 --- /dev/null +++ b/tests/ui/associated-type-bounds/suggest-contraining-assoc-type-because-of-assoc-const.stderr @@ -0,0 +1,16 @@ +error[E0308]: mismatched types + --> $DIR/suggest-contraining-assoc-type-because-of-assoc-const.rs:12:21 + | +LL | const N: C::M = 4u8; + | ^^^ expected associated type, found `u8` + | + = note: expected associated type `<C as O>::M` + found type `u8` +help: consider constraining the associated type `<C as O>::M` to `u8` + | +LL | impl<C: O<M = u8>> U<C> for u16 { + | ++++++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. |