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Diffstat (limited to 'tests/ui/coherence/coherence-multidispatch-tuple.rs')
-rw-r--r-- | tests/ui/coherence/coherence-multidispatch-tuple.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence-multidispatch-tuple.rs b/tests/ui/coherence/coherence-multidispatch-tuple.rs new file mode 100644 index 000000000..fa1d4bbb4 --- /dev/null +++ b/tests/ui/coherence/coherence-multidispatch-tuple.rs @@ -0,0 +1,24 @@ +// run-pass +#![allow(unused_imports)] +// pretty-expanded FIXME #23616 + +use std::fmt::Debug; +use std::default::Default; + +// Test that an impl for homogeneous pairs does not conflict with a +// heterogeneous pair. + +trait MyTrait { + fn get(&self) -> usize; +} + +impl<T> MyTrait for (T,T) { + fn get(&self) -> usize { 0 } +} + +impl MyTrait for (usize,isize) { + fn get(&self) -> usize { 0 } +} + +fn main() { +} |